
Flash (You may cast this spell any time you could cast an instant.)
Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Shambleshark has 2 printings, first in Gatecrash (2013). EDHREC ranks it #19,948 among Commander cards. It appears most in Homer, the Hermit decks (1,046 on EDHREC). It has 6 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.