+cube (3)
, : This turn, when target creature you control attacks and isn't blocked, it assigns no combat damage this turn and you put a cube counter on Delif's Cube.
, Remove a cube counter from Delif's Cube: Regenerate target creature.
, : Double the amount of each type of unspent mana you have.
Engulf — When Gelatinous Cube enters the battlefield, exile target non-Ooze creature an opponent controls until Gelatinous Cube leaves the battlefield.
Dissolve — : Put target creature card with mana value X exiled with Gelatinous Cube into its owner's graveyard.
Gatherer works better in the Companion app!
, 
: This turn, when target creature you control attacks and isn't blocked, it assigns no combat damage this turn and you put a cube counter on Delif's Cube., Remove a cube counter from Delif's Cube: Regenerate target creature.