Iced Cap

Iced Cap enters the battlefield with 4 Volume counters on it, when the last is removed sacrifice it

Equipped creature has "{2}Drink: This creature gains lifelink and +1/+1 for each Iced Cap on the battlefield until end of turn,
remove a volume counter from Ice Cap"

Equip {4}. This ability costs {1} less for each
other Iced Cap on the battlefield.