Ithryll, Knight of Purgatory

Menace, Dethrone
When Ithryll, Knight of Purgatory enters the battlefield, each player sacrifices X creatures. Put
X +1/+1 on Ithryll.
2{p/b}: Ithryll gains deathtouch until end of turn,
then put a +1/+1 on Ithryll.
{t},Remove a +1/+1 counter from Ithryll: Draw a
card and gain 2 life.
{4}{w}{b}{r},Remove 5 +1/+1 counters from Ithryll, Sacrifice a {w},{b},and{r}land: Transform.