Alltamer

If {w} was spent to cast Alltamer, when Alltamer blocks an Angel creature or Human creature, gain control of that creature. The same is true for {u} and Fish creatures and Sphinx creatures, {b} and Demon creatures and Horror creatures, {r} and Dragon creatures and Goblin creatures, and {g} and Elemental creatures and Beast creatures.
{t}, return Alltamer to its owner's hand: Add one mana of any color to your mana pool.