Arvinox, the Mind Flail Dice you may pay {W}{U}{B}{R}{G} if

you may pay {W}{U}{B}{R}{G} if that player has 10 or less life

50 single-sleeved

if Kaito entered this turn

When this creature enters and whenever an opponent draws a card except the first one they draw in each of their draw steps

then create a Treasure token for each opponent who had two or more lands enter the battlefield under their control this turn

Arvinox, the Mind Flail Dice you may pay {W}{U}{B}{R}{G} ifArvinox 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.