Ral Zarek, Dualcaster

Haste, hexproof
Whenever a red spell you control deals damage, it gains rebound.
{t}: Ral Zarek deals 1 damage to target creature or player.
Whenever you cast a blue or red spell, untap Ral Zarek.
At the beginning of each end step, if Ral Zarek has dealt 4 or more damage this turn, exile him, then return him to the battlefield transformed.