Astral Dragon + Springheart Nantuko + Stone-Seeder Hierophant Combo

All permanents on the battlefield (Springheart Nantuko attached to Astral Dragon on the battlefield and Stone-Seeder Hierophant without summoning sickness on the battlefield).

You have a land card in hand

You are able to play a land this turn. You control a land that can tap to produce at least , or the land card in hand can tap to produce .

if the land card in hand does not enter untapped and/or cannot produce mana available

Play a land. When the land enters, Springheart Nantuko and Stone-Seeder Hierophant trigger.

Holding priority, if the land enters the battlefield untapped, activate it by tapping it, adding at least .

Resolve the Stone-Seeder Hierophant trigger, untapping it.

Holding priority, activate Stone-Seeder Hierophant by tapping it, untapping a land.

Activate the land by tapping it, adding at least .

Resolve the Springheart Nantuko trigger, causing you to pay to create a token copy of Astral Dragon.

When the Astral Dragon token enters the battlefield, it triggers, creating two copies of a land you control that are 3/3 Dragon creatures in addition to their other types.

When the land tokens enter the battlefield, Springheart Nantuko and Stone-Seeder Hierophant trigger twice.

Repeat steps 3 through 5 two additional times for the Stone-Seeder Hierophant triggers from step 8.

Resolve the first Springheart Nantuko trigger, choosing not to pay and creating a 1/1 Insect creature token.

Repeat from step 6 with the second Springheart Nantuko trigger.

Infinite creature ETB

Infinite creature tokens

Infinite landfall triggers