Arvinox, the Mind Flail Dice you may have its controller

you may have its controller create a 1/1 white Warrior creature token that's tapped and attacking

{T}: Put a +1/+1 counter on each creature you control

Voracious Larva

Powerful magnets provide a secure closure

if Kaito entered this turn

Arvinox, the Mind Flail Dice you may have its controllerArvinox isn't a creature unless you control three or more permanents you don't own. At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells.