Activate Thermopod by sacrificing Squee and Skyfire Phoenix, adding {R}{R}.
Cast Squee from your graveyard by paying {R}{R}.
Skyfire Phoenix triggers, returning it from your graveyard to the battlefield.
Repeat.

Infinite LTB

Infinite ETB

Infinite sacrifice triggers

Infinite death triggers

Infinite storm count

Squee, the Immortal

Skyfire Phoenix

Nightscape Familiar

Thermopod

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 magecraft triggers

Infinite landfall triggers

Infinite tapped Island tokens

Card That Animates a Land

Orvar, the All-Form

View from Above

Cast Squee from your graveyard or from exile by paying {R}{R}.
Iraxxa triggers, creating a 2/2 Alien Warrior creature token.
Activate Thermopod's second ability twice by sacrificing Squee and the Alien Warrior, adding {R}{R}.
Repeat.

Iraxxa, Empress of Mars

Cast Squee from your graveyard or from exile by paying {R}{R}.
Iraxxa triggers, creating a 2/2 Alien Warrior creature token.
Activate Phyrexian Altar twice by sacrificing Squee and the Alien Warrior, adding {R}{R}.
Repeat.

Phyrexian Altar

Activate Gwenna by tapping it, adding {U}{U} that can only be spent to cast creature spells or activate abilities of creatures.
Cast Aethersnipe for its evoke cost by paying {U}{U}.
Gwenna triggers, putting a +1/+1 counter on it and untapping it.
When Aethersnipe enters the battlefield, its first ability and evoke ability trigger.
Resolve the first Aethersnipe trigger, returning it from the battlefield to your hand.
Resolve the second Aethersnipe trigger, failing to sacrifice it as it is no longer on the battlefield.
Repeat.

Infinite +1/+1 counters on a creature

Aethersnipe

Gwenna, Eyes of Gaea

Cast Dream Stalker by paying {W}.
Spider-Man India triggers, putting a +1/+1 counter on Crystalline Crawler.
When Dream Stalker enters, it triggers, returning itself from the battlefield to your hand.
Activate Crystalline Crawler by removing a +1/+1 counter from it, adding {W}.
Repeat.

Combos with "Nightscape Familiar"