Phrike, Three Armed Terror

Whenever a red or black land enters the battlefield under your control, Phrike, Three Armed Terror gains +1/+1.

{c} Phrike, Three Armed Terror cannot be blocked this turn.

If Phrike has 5 or more +1/+1 counters, remove them and destroy target nonland permanent.

When Phrike, Three Armed Terror leaves the battlefield, sacrifice 4 permanents.