Chromaa

Devoid, Flying
{1},{t}: Choose the effect based on the colour of
mana spent to pay this cost:
• {w}: You gain 4 life.
• {u}: You draw a card
• {b}: Target opponent loses 2 life
{bull} {r}: Chromaa deals 3 damage to target creature.
{bull} {g}: Put a +1/+1 counter on Chromaa