When Niko Aris enters the battlefield, create X shard tokens. (They're enchantments with "2, Sacrifice this enchantment: Scry 1, then draw a card.")
+1: Up to one target creature you control can't be blocked this turn. Whenever that
creature deals damage this turn, return it to its owner's hand.
-1: Niko Aris deals 2 damage to target tapped creature for each card you've drawn this turn.
-1: Create a Shard token.