klefki pokemon card - 66/119 (Pokemon League) [3rd Place] (#066/119) - Reverse Holofoil [Colorless]. Scarlet & Violet's Klefki Could

Theyre meant to lead the combined charge of a knights and dragons typal deck

Another example in this area is Cabal Therapy which can be turned on yourself for a one shot discard

(You may put the top two cards of your library into your graveyard.) Whenever one or more land cards are put into your graveyard from anywhere for the first time each turn, create a 1/1 green Insect creature token

It really comes down to playstyles

They mutate into the creature on top plus all abilities from under it.) Double strike Whenever this creature mutates, it deals 4 damage to target creature or planeswalker an opponent controls and you gain 4 life