Rimuru Tempest

Monster Affinity- Rimuru Tempest costs {1} less to cast for each color among permanents you control.

Whenever Rimuru Tempest deals combat damage to a player, exile target creature that player controls with less power than this creature. Rimuru gains all keywords from creatures exiled by this effect while it is on the field.

If Rimuru Tempest were to leave the field, except by returning to hand, regenerate it unless an opponent pays
{3}.