
Devoid (This card has no color.)
Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)
Other colorless creatures you control get +1/+0.
Ruination Guide has 2 printings, first in Battle for Zendikar (2015). EDHREC ranks it #20,350 among Commander cards. It appears most in Vela the Night-Clad decks (256 on EDHREC). It has 7 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.