
Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of card types among cards in all graveyards.
Lhurgoyf creatures you control have trample.
Altar of the Goyf has 3 printings, first in Modern Horizons 2 (2021). EDHREC ranks it #10,313 among Commander cards. It appears most in Disa the Restless decks (8,404 on EDHREC). 1 public deck on TCG runs it. It has 6 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.