
Counter target spell. Create an X/X green Ooze creature token, where X is that spell's mana value.
Mystic Genesis has 2 printings, first in Gatecrash (2013). EDHREC ranks it #18,757 among Commander cards. It appears most in The Mimeoplasm decks (578 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.