Isaywrm, Envoy of Entropy

Suspend 9—{u}{b}{r}
{2}: Put an entropy counter on Isaywrm.
Activate this ability only if Isaywrm is suspended.
(A creature is suspended if it is in exile with a time
counter on it)
When Isaywrm enters the battlefield, each player
mills X, where X is 3 plus the number of entropy
counters on Isaywrm.