Woodfall Primus dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
Hardened Academic and
Woodfall Primus trigger.
Resolve the
Hardened Academic trigger, putting a +1/+1 counter on
Woodfall Primus.
Resolve the
Woodfall Primus trigger, destroying target noncreature permanent.
Resolve the
Bloodflow Connoisseur ability.
Repeat.
Notes
If you want the combo to truly be infinite, target the same permanent each loop with
Woodfall Primus's ability, then repeat the loop without resolving the trigger. Afterwards, resolve all triggers, destroying only one permanent. This loop can also be used as a lock and executed whenever an opponent controls a noncreature permanent.
Results
Destroy any number of noncreature permanents.
Infinite +1/+1 counters on a creature.
Infinite ETB.
Infinite LTB.
Infinite death triggers.
Infinite sacrifice triggers.
Metadata
This combo produces a lock.
In 0 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Spicy (Bracket 3-4+).