Iferia, Home of Mutations

{t}: Add {w}, {u}, or {g} to your mana pool.
Creatures you control have "Sacrifice this
creature: Put X+1/+1 counters on target creature,
where X is this creatures power."
"Are you guys lost? Do you need help?"
"If you're on this planet, you're the one who's going to
need help. And we don't need help. Iferia is basically
our home."
-Varan, Beastmaster to Rex, Octopus Squad Leader