Maya's First Planeswalk

You may pay 20 Rage Mana instead to cast this
spell. It becomes a colorless Rage Instant.
Exile target planeswalker you control, then return
it to the battlefield a the start of your next
upkeep. Deal X damage to each creature all opponents control where X is the starting loyalty
of the planeswalker you targeted. Gain 2 life and
2 Rage Mana for each creature killed this way.