Altar des Goyfs (Altar of the Goyf) (de)
Kindred Artifact - Lhurgoyf
(CMC 5)
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.
- [M3C] Modern Horizons 3 Commander #282 (U)