Yahenni's Expertise


Format Legality
Tiny Leaders Legal
1v1 Commander Legal
Magic Duels Legal
Canadian Highlander Legal
Vintage Legal
Modern Legal
Penny Dreadful Legal
Custom Legal
Leviathan Legal
Legacy Legal
Frontier Legal
Duel Commander Legal
Oathbreaker Legal
Unformat Legal
Casual Legal
Commander / EDH Legal

Printings View all

Set Rarity
Aether Revolt (AER) Rare
Promo Set (000) Rare

Combos Browse all

Yahenni's Expertise


All creatures get -3/-3 until the end of turn.

You may cast a card with converted mana cost 3 or less from your hand without paying its mana cost.

Latest as Commander

Yahenni's Expertise Discussion

Daedalus19876 on Black Plague, On The Rocks: Yawgmoth EDH [PRIMER]

3 days ago

gradstudent: Oh, he's 100% going in here :D he's perfect for the deck.

sam171z: Thank you, both for your kind words and your incredibly helpful comments! In order:

I tested Black Market and had mixed feelings, I just don't want to spend 5 mana for a mana source that will only pay off the next turn, despite the high ceiling.

Diabolic Intent is in here already, but it's definitely awesome ;)

Puppeteer Clique is a very neat idea here, I'm honestly irritated I didn't think of it XD

Night Incarnate is intriguing, I'll consider it. I'd almost rather run something like Yahenni's Expertise , though?

Lashwrithe was awesome in this deck's predecessor (a Yahenni list) but I think I'll pass on it here (I have more efficient ways to win than Voltron IMO).

Priest of Forgotten Gods is awesome, but I feel like our Commander generally does the trick better. I'll contemplate :)

I don't think that Karn, Silver Golem fits here necessarily... but what DOES work amazingly (and I can't believe I've never thought of) is Karn, the Great Creator ! That's getting IMMEDIATELY slammed in here :D

QKey on Mogis 1V1

1 month ago

Hey, the deck looks nice! I wonder: Why are you not running Blood Moon ? You are running Price of Glory (a cool addition!) that is often not as effective as a Blood Moon .

I also would not run Yahenni's Expertise in your deck, i think something like Sweltering Suns could be better, because it hits a turn earlier, freeing turn 4 for playing Mogis.

SynergyBuild on Control Zur

1 month ago

I have had success with Dovin's Veto , Liliana's Triumph , and Blast Zone , not really the rest, but did want to know about them.

Dovin's Veto was just incredible, easy inclusion, etc.

Blast Zone was something I dropped a sweeper for. Your list runs Supreme Verdict and Toxic Deluge , I used Yahenni's Expertise and Toxic Deluge , now Blast Zone and Toxic Deluge instead. It has worked out well so far. I have gotten the trigger targetted by a Stifle but Mental Misstep ped it.

My argument for Liliana's Triumph is similar to that of a mix of Grasp of Fate and Diabolic Edict . Well, while Zur fetches GoF, making it pure value, many lists run it as a 3 for one, even when it only is great against one or two opponents, you can still possibly hurt three, even when that may not be the common case.

Instant speed, nontargeted, nearly unstoppable removal (excluding countermagic, Sigarda and new Tamiyo are the extent to which this gets stopped) for creatures, even at two mana can blow out lists like Laboratory Maniac builds, Narset, Enlightened Master , Animar, Soul of Elements (doesn't get effected by Pro-black), Sidisi, Undead Vizier , Yidris, Maelstrom Wielder , and Varolz, the Scar-Striped variants. It hits plenty of other decks like Gitrog hard, but is situational.

I think it is really good for that reason, but haven't played it in many games yet, so need to do futher testing to prove anything I said xD!

Dango on Banana Seasons Past Control

3 months ago

SynergyBuild Seedborn has been great honestly. I've had it stick for several turn cycles on multiple occasions. It avoids a lot of Pernicious Deed s and Toxic Deluge s fairly well (I ran Yahenni's Expertise at one point, which Seedborn is also out of range of). Now, Notion Thief is something that I don't expect to last long. I usually expect it to bait answers, but I'll cast it on a greedy player's explosive turn to punish them and develop card advantage in the process. If they're smart, they need to find an answer to remove it. However, this guy can really disrupt someone's plans for a turn which works well with my gameplan because I can stall them out.

Chain of Vapor was removed in favor of permanent removal such as destroy and exile effects. I've found myself not needing it, even to protect something on my board.

Nickel-Bolas on An Audience, Granted.

3 months ago

flibety Thank you for your suggestions!

Let me address them in order: First, the reason Thopter Assembly is in the deck is to fulfill one of the win conditions, the combo with Time Sieve for infinite turns. Duplicant is here to act as repeatable removal for problem creatures as a tradeoff for not running as much single-target instant and sorcery based removal, and the same for Noxious Gearhulk . Baleful Strix is there fore early game card advantage, and Wurmcoil Engine is present to act as a threat, because, well, it's Wurmcoil Engine, and Sphinx of the Steel Wind is a threat that bypasses red removal and green reach blockers.

Second, Mycosynth Lattice is in this deck for a couple reasons. The first is that in a combination with Darksteel Forge and Nevinyrral's Disk , it leaves all my permanents intact while also dealing with those of my opponents. Scourglass is for redundancy in case I don't draw any of the aforementioned cards, as it is a solid boardwipe on its own. And Null Rod is in here to combo with the Lattice to cut every player off of mana for the rest of the game and begin a war of attrition, which I will hopefully be able to circumvent using Omniscience .

Thirdly, Nevermore is in the deck as a pre-emptive silver bullet against hosers like Manglehorn or Stony Silence .

And lastly, Yahenni's Expertise is here to provide an out against token decks, at times in which my own creatures matter less than survival. I have one more cut to make to find room for Second Sunrise , which is the prime hit for casting off the expertise.

This is not an all-out combo deck, I'm trying to lean in more on the value side of things, which is why the majority of these cards exist to act in separation from each other, rather than as a fine-tuned machine.

flibety on An Audience, Granted.

3 months ago

You may want to consider cutting one or more of the following creatures: Baleful Strix , Noxious Gearhulk , Duplicant , Sphinx of the Steel Wind , Wurmcoil Engine , or Thopter Assembly . Definitely do not remove them all, but you have quite a few creatures that directly work with artifacts. This means that having quite a few artifact creatures that arent necessarily serving a purpose towards your win condition may be somewhere to start with removing cards.

Mycosynth Lattice should be removed, as it has anti-synergy with Nevinyrral's Disk (it would also destroy all of your lands and planeswalkers), Scourglass (it wouldnt destroy anything), and Retract (it would return all of your lands to your hand). It could also combine with Blinkmoth Urn to massively increase your opponent's available mana. While it does have powerful synergies with some of your planeswalkers, these drawbacks would essentially make it a dead card in hand at best and a powerful asset to your opponent at worst. Are these worth the upsides?

Do you have cards in mind that you would target with Nevermore and do you anticipate facing decks with these cards enough to warrant having this card in your deck?

Most of your creatures wouldnt survive the -3/-3 from Yahenni's Expertise , so which card would you be hoping to play with its effect that would be worth killing off a serious portion of your creatures?

Wouldnt Null Rod affect you negatively much more than your opponent, as you have many artifacts with cost activated abilities?

Kjartan on Slimefoot Modern Saprolings

4 months ago

Don't think Yahenni's Expertise belongs in the mainboard of a token deck. Even though there are situations where it's just the card you want, it's generally just counterproductive.

Dango on Lifegain in Tasigur Control

4 months ago

I updated the list a bit, adding in Damnation as well as Bloom Tender and Freed from the Real for an alternate two-card infinite mana combo. It also works with Arbor Elf to an extent if you also have Utopia Sprawl and can produce blue mana, but that is a little more telegraphed and not as condensed.

With the inclusion of these cards, I had to cut Wild Growth , Chain of Vapor , and Into the Roil . Wild Growth was cut because even though it could be a combo piece with Freed from the Real and Arbor Elf , it can only work on Breeding Pool (or Tropical Island , but I can't afford that at the moment). All of those conditions make that combo incredibly undesirable at the moment. Chain of Vapor and Into the Roil were cut simply because bounce spells just aren't as great as permanent removal that can destroy or exile cards.

I hope these updates help. I think an additional boardwipe is going to do a lot for me, and another infinite mana outlet should make the deck faster and more consistent. I have been doing okay with operating at low life because at that point, someone else's board can start to look scary so all of the people who attacked me early on turn to me and keep me around because they need me to keep someone else at bay haha. However, it just makes me really uncomfortable playing at low life because I can't effectively Ad Nauseam to find a combo piece that I need, and if I stop the threatening player from comboing off, nothing's stopping the next person in the turn order from turning on me again which puts more pressure on me to have answers for them too. Regardless, I think another boardwipe might be good enough to answer a heavy creature presence. I tend to run a lot of cards that hand out 3/3 tokens and a Gilded Drake, so that's why I've favored Yahenni's Expertise as means of crowd control for those primarily, but a wipe that hits everything that isn't indestructible is too good to pass up even though it kills Tasigur.

Thank you guys for your suggestions. I'm gonna try out these updates and see how they perform next time I play. :)

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Yahenni's Expertise occurrence in decks from the last year

Commander / EDH:

All decks: 0.01%