Kyora Sazanami

Wither (This creature deals damage to creatures in the form of -1/-1 counters.)

Whenever Kyora Sazanami attacks, exile up to one target nonland permanent, then return it to the battlefield under your control.

Whenever a permanent enters from exile under your control, Kyora Sazanami deals 2 damage to each opponent and 1 damage each creature they control.