Swickelavee the Brilliantly Crowned Heavy Cavalry

2 Level 3 monsters
Once per turn, you can also Xyz Summon "Swickelavee the Brilliantly Crowned Heavy Cavalry" by using 1 Beast monster you control with 2000 or less ATK (transfer its materials). Cannot be used as material for an Xyz Summon. If this card destroys a monster by battle: Place 1 Crown Counter on it, then apply this effect based on the number of Crown Counters on it.
● 1: This card gains 400 ATK.
● 2: This card gains 600 ATK.
● 3: Return this card to the Extra Deck, and if you do, draw 3 cards.