Contest of Claws

Sorcery

Target creature you control deals combat damage equal to its power to another target creature. If excess damage was dealt this way, discover X, where X is that excess damage. (To discover X, exile cards from the top your library until you exile a nonland card with converted mana cost/mana value X or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom of your library in a random order.)

Legality

Format	Legality
1v1 Commander	Legal
Archenemy	Legal
Arena	Legal
Block Constructed	Legal
Canadian Highlander	Legal
Casual	Legal
Commander / EDH	Legal
Commander: Rule 0	Legal
Custom	Legal
Duel Commander	Legal
Freeform	Legal
Gladiator	Legal
Highlander	Legal
Historic	Legal
Historic Brawl	Legal
Legacy	Legal
Leviathan	Legal
Limited	Legal
Oathbreaker	Legal
Planar Constructed	Legal
Planechase	Legal
Quest Magic	Legal
Tiny Leaders	Legal
Vanguard	Legal
Vintage	Legal