How it works
Prerequisites
- Putrid Goblin does not have a -1/-1 counter on it.
Steps
- 1Cast First Day of Class by paying , causing all creatures that enter the battlefield under your control this turn to get an additional +1/+1 counter put on it.
- 2Activate Goblin Bombardment by sacrificing Putrid Goblin.
- 3Putrid Goblin's persist ability triggers, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
- 4Putrid Goblin enters the battlefield, triggering First Day of Class, putting a +1/+1 counter on Putrid Goblin.
- 5Resolve the Goblin Bombardment ability from step 2, dealing 1 damage to any target.
- 6Repeat from step 2.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?