
Equipped creature gets +X/+X, where X is its mana value.
Equip {4}
Hedron Matrix has 2 printings, first in Rise of the Eldrazi (2010). EDHREC ranks it #17,333 among Commander cards. It appears most in Kozilek, the Great Distortion decks (366 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.