Burning-Rune Demon 81 (Kaldheim) Kuja Pirates That creature becomes a Mutant

That creature becomes a Mutant in addition to its other types

Whenever this creature deals damage to a player

If that card is a "The Seven Warlords of the Sea" type Character card with a cost of 4 or less

Whenever an Army you control deals combat damage to a player

Burning-Rune Demon 81 (Kaldheim) Kuja Pirates That creature becomes a MutantFlying When this creature enters, you may search your library for exactly two cards not named Burning Rune Demon that have different names. If you do, reveal those cards. An opponent chooses one of them. Put the chosen card into your hand and the other into your graveyard, then shuffle.