Ruinous, the Relic Breaker

Flying Trample
When Ruinous, the Relic Breaker attacks
you may pay {b}{r}{g}{3} if you do for each opponent you may choose a creature, artifact, or enchantment of theirs to destroy. When a player takes combat damage from Ruinous ,the Relic Breaker deal that much
to each planeswalker they control.