Seared Prismadon

Spellbound (When you cast this card, you may exile
a card from your hand that shares a color with this
card.)
Whenever another creature enters the battlefield
under your control, if the card exiled with Seared
Prismadon is red, you may deal 2 damage to any
target. If the card is green, you may add one mana
of any color to you mana pool.