Activate an animated land by tapping it, adding at least {U}.
Cast View from Above by paying {U}, targeting the animated land.
Orvar triggers, creating a token copy of the animated land that is not a creature.
Resolve View from Above, returning it to your hand.
Activate the land token by tapping it, adding at least {U}.
Repeat from step 2.

Infinite storm count

Infinite magecraft triggers

Infinite landfall triggers

Infinite tapped Island tokens

Card That Animates a Land

Orvar, the All-Form

View from Above

Font of Magic

Cast Ashling's Command by paying {U}{R} due to Font of Magic. Choose its fourth mode targeting yourself and then any other mode as desired.
Holding priority, cast Reiterate with buyback by paying {R}{R} due to Font of Magic, copying Ashling's Command with the fourth mode targeting yourself and returning Reiterate to your hand.
Resolve the copy of Ashling's Command, creating two Treasure tokens and performing the action of the other chosen mode.
Holding priority, activate the Treasures by tapping and sacrificing them, adding {R}{R}.
Repeat from step 2.

Infinite ETB

Infinite creature tokens

Infinite card draw for any number of players

Infinite draw triggers for any number of players

Infinite token copies of Elementals you control

Ashling's Command

Reiterate

At the beginning of your precombat main phase, Summon: Esper Valigarmanda triggers, putting a lore counter on it and triggering its fourth chapter ability.
Holding priority, cast Clockspinning with buyback by paying {1}, removing a lore counter from Summon: Esper Valigarmanda and returning Clockspinning to your hand.
Resolve the Summon: Esper Valigarmanda ability, adding {R}{R}{R}.
Cast Clockspinning with buyback by paying {1}, putting a lore counter on Summon: Esper Valigarmanda and returning Clockspinning to your hand.
Summon: Esper Valigarmanda's fourth chapter ability triggers.
Repeat from step 2.

Infinite colored mana

Infinite colorless mana

Infinite proliferate

Summon: Esper Valigarmanda

Clockspinning

Mycosynth Lattice

Cast Nameless Inversion from your graveyard, as it is a Knight card, by paying {0} due to Font of Magic and Morophon, giving a creature +3/-3 until end of turn.
If the creature has toughness 0 or less, the creature dies as a state-based action.
Repeat as desired.

Reduce any number of target creatures' toughness to 0

Reduce the toughness of opponents' creatures to 0 when it enters the battlefield

Haakon, Stromgald Scourge

Morophon, the Boundless

Nameless Inversion

Combos with "Font of Magic"