First Day of Class + Murderous Redcap + Viscera Seer

First Day of Class

Murderous Redcap

Viscera Seer

How it works

1. Cast First Day of School, causing it so that each creature that enters the battlefield under your control this turn gets a +1/+1 counter put on it and gains haste until end of turn.
2. Activate Viscera Seer, sacrificing Murderous Redcap to scry one.
3. Murderous Redcap's persist triggers, returning it to the battlefield with a -1/-1 counter.
4. First Day of School triggers, putting a +1/+1 counter on Murderous Redcap.
5. Murderous Redcap triggers, dealing 2 damage to any target.
6. Repeat from step 2.