Mnemonic Betrayal

Mnemonic Betrayal

Sorcery

Exile all cards from all opponents' graveyards. You may cast those cards this turn, and you may spend mana as though it were mana of any type to cast those spells. At the beginning of the next end step, if any of those cards remain exiled, return them to their owners' graveyards.

Exile Mnemonic Betrayal.

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Legality

Format Legality
Block Constructed Legal
Historic Legal
Casual Legal
Tiny Leaders Legal
Unformat Legal
Vintage Legal
Arena Legal
Legacy Legal
2019-10-04 Legal
Commander / EDH Legal
Highlander Legal
1v1 Commander Legal
Gladiator Legal
Pioneer Legal
Duel Commander Legal
Leviathan Legal
Limited Legal
Canadian Highlander Legal
Custom Legal
Oathbreaker Legal
Modern Legal

Mnemonic Betrayal occurrence in decks from the last year

Latest Decks as Commander

Mnemonic Betrayal Discussion

VampDemigod on Sleighs & Gifts Needed

3 months ago

Some effects that exile graveyards, again, budget friendly (useful for about 3 of the cards I linked): Burn Away, Hedonist's Trove, Sentinel Totem, Crook of Condemnation, Tormod's Crypt, Agent of Erebos, Nihil Spellbomb, Angel of Finality, Identity Crisis, Kaya's Guile, Remorseful Cleric, Rakdos Charm, Mnemonic Betrayal, Scavenger Grounds, Bojuka Bog, Day's Undoing.

I’d recommend only running 3-6 of these if you run the 3 cards that care about empty graveyards that I mentioned earlier.

Grind on Surveillance

7 months ago

cool deck!
have you considered Mnemonic Betrayal? i think this card is great value.
also the name of your deck would make me want to run Telepathy even though it is not as good as gitaxian probe.
and Retreat to Coralhelm is another way to see your topdeck after your draw step.
cheers and keep having fun!

Optimator on Mermaider

7 months ago

Mnemonic Betrayal might be a fun wincon

Farycane on Niv Mizzet, Reborn Master of Theros Gods

8 months ago

Thief of Sanity Sounds quite good. I Wish it would say "Play" rather than "Cast" but might be worth a shot.

Mnemonic Betrayal gets you ramp If you have some Mana available. Since Niv never hits lands it's quite important to get your Lands/Ramp somehow. But yeah sometimes it's just not worth casting.

Jodah and Fist aren't for this Deck, as you mentioned, not 2 colored.

Jegantha works well for fixing for Niv, If you have 5 Lands but not 5 colors, jegantha comes in Handy

EldraziOfRavnica on Niv Mizzet, Reborn Master of Theros Gods

8 months ago

Mnemonic Betrayal is almost always dissapointing for me. Fist of Suns and Jodah, Archmage Eternal are good with Jegantha, but not grabbable with Niv, so they might not be worth it. The deck might want Thief of Sanity because it takes Betrayal's slot and does something similar. It does die to removal, so it might not be the best.

12_dwarfs on Here, Let Me Cast That

8 months ago

This is all a want to see in a dimir deck, this deck is truly amazing, I think Mnemonic Betrayal would be good other than that amazing deck

Grind on To the Graveyard and Back Again

8 months ago

Sweet deck!!
A couple thoughts... Mnemonic Betrayal can be amazing if you have enough mana.
Speaking of mana i would consider another rock like Worn Powerstone or Thran Dynamo over, for example, profane memento as idk if incidental lifegain is as valuable as more mana.
Another thought is a card like Mission Briefing or Twincast could let you get double value out of one of your mvp mill spells like mind funeral or traumatize.
Anyway just some ideas, cheers and keep having fun!!

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