Eula, Dancer of Bladed Ice

Eula enters the battlefield with a Shard counter on
it.

whenever Eula attacks, double the number of Shard counters on it and mill 2 cards.

Eula gets +1/+1 for each shard counter on it.

{1}{w/u}{w/u}, - Remove 4 Shard counters from Eula,
destroy target creature.