Yidaro, Wandering Monster

Mutate 1GG (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Reach, trample Whenever this creature mutates, destroy target artifact or enchantment an opponent controls.

Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for 3 as a sorcery.) T: Add WUBRG. This mana can't be spent to pay generic mana costs.

Companion — Each nonland card in your starting deck shares a card type. (If this card is your chosen companion, you may put it into your hand from outside the game for 3 as a sorcery.) As Umori enters, choose a card type. Spells you cast of the chosen type cost 1 less to cast.

Look at the top five cards of your library. Put any number of permanent cards from among them onto the battlefield and the rest into your hand. Exile Genesis Ultimatum.

Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.)

Choose one — • Destroy target creature with no counters on it. • Remove up to three counters from target creature.

As this creature enters, choose odd or even. (Zero is even.) This creature has protection from each mana value of the chosen quality.

Mutate 2WW (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Lifelink Whenever this creature mutates, create two 1/1 white Cat creature tokens with lifelink.