Kavin, God of Lightning

You must control both a blue and a red
permanent to cast this card.
Indestructible, Shroud
{7}{u/r}{u/r}{t}: Deal 3 damage to all creatures and opponents. If any die, repeat this effect.
When a creature dies, add {u} or {r} to your mana
pool at the beginning of your next precombat
main phase.