If this card is Normal or Special Summoned: You can add 1 "Myutant" Spell/Trap from your Deck to your hand. You can Tribute this card, then banish 1 card from your hand or face-up field; Special Summon 1 monster from your hand or Deck, based on the banished card.
●Monster: "Myutant Beast"
●Spell: "Myutant Mist"
●Trap: "Myutant Arsenal"
You can only use each effect of "Myutant ST-46" once per turn.