Bolas's Onesie

When Bolas's Onesie enters the battlefield, you lose 2 life.
{t}:Add {u},{b}, or {r} to your mana pool.
Pay 1 life: Target creature gets -1/-1 until end of turn. Activate this ability only twice a turn.

"Dang Stupid horns! Just fit in the Onesie! I paid 30$ for this!"