Cast any instant or sorcery by paying its mana cost.
Holding priority, activate Pyromancer's Goggles by tapping it, adding {R}.
Cast Wild Ricochet by paying its mana cost, targeting the instant or sorcery cast in step 1.
Pyromancer's Goggles triggers, copying Wild Ricochet, with the copy targeting the original Wild Ricochet.
Resolve the copy of Wild Ricochet, creating a copy of Wild Ricochet targeting the original Wild Ricochet.
Repeat step 5.

Infinite magecraft triggers

Pyromancer's Goggles

Wild Ricochet

Cast any instant or sorcery by paying its mana cost.
Holding priority, cast Wild Ricochet by paying its mana cost, targeting the instant or sorcery cast in step 1.
Cast Narset's Reversal by paying {U}{U}, copying Wild Ricochet targeting the spell cast in step 1 and returning the original Wild Ricochet to your hand.
Cast Wild Ricochet by paying its mana cost, copying the copy of Wild Ricochet, targeting the copy of Wild Ricochet.
Resolve the copy of Wild Ricochet, creating a copy of Wild Ricochet targeting the copy of Wild Ricochet.
Repeat step 5.

Narset's Reversal

Cast the additional sorcery by paying its mana cost.
Alania triggers; choose not to have an opponent draw a card.
Holding priority, cast Wild Ricochet by paying {2}{R}{R}, targeting the additional sorcery.
Alania triggers, causing an opponent to draw a card and you to copy Wild Ricochet, with the copy targeting the original Wild Ricochet.
Resolve the copy of Wild Ricochet, copying the original Wild Ricochet, with the copy targeting the original Wild Ricochet.
Repeat step 5.

Alania, Divergent Storm

Cast the additional instant or sorcery by paying its mana cost.
If Adaptive Training Post had two charge counters on it, it triggers, putting a charge counter on it.
Holding priority, activate Adaptive Training Post by removing three charge counters from it, copying the next instant or sorcery spell you cast this turn.
Cast Wild Ricochet by paying its mana cost, targeting the spell cast in step 1.
Adaptive Training Post triggers, copying Wild Ricochet, with the copy targeting the original Wild Ricochet.
Resolve the copy of Wild Ricochet, copying the original Wild Ricochet, with the copy targeting the original Wild Ricochet.
Repeat step 5.

Adaptive Training Post

Cast Chandra's Ignition by paying {3}{R}{R}.
Holding priority, cast Wild Ricochet by paying {2}{R}{R}.
Kalamax's first and second abilities trigger.
Resolve the first ability, creating a copy of Wild Ricochet targeting Chanrda's Ignition.
Resolve the second ability, putting a +1/+1 counter on Kalamax.
Resolve the Wild Ricochet copy, creating a copy of Wild Ricochet.
Kalamax's second ability triggers, putting a +1/+1 counter on itself.
Repeat from step 6 any number of times.
Once you have an arbitrarily large Kalamax, resolve Chandra's Ignition, causing Kalamax to deal damage equal to its power to each other creature and each opponent.

Infinite damage

Infinite +1/+1 counters on a creature

Kalamax, the Stormsire

Chandra's Ignition

Cast Gravitic Punch by paying its mana cost, targeting Kalamax.
Holding priority, cast Wild Ricochet by paying its mana cost, targeting Gravitic Punch.
Kalamax's first and second abilities trigger.
Resolve the first ability, creating a copy of Wild Ricochet targeting the original Wild Ricochet.
Resolve the second ability, putting a +1/+1 counter on Kalamax.
Resolve the Wild Ricochet copy, creating a copy of Wild Ricochet, targeting the original Wild Ricochet.
Kalamax's second ability triggers, putting a +1/+1 counter on itself.
Repeat from step 6 any number of times.
Once you have an arbitrarily large Kalamax, have the final Wild Ricochet copy target Gravitic Punch. This'll create two copies of Gravitic Punch in addition to the original Gravitic Punch.
Resolve all Gravitic Punches, dealing infinite damage to each of up to three opponents.

Gravitic Punch

Cast Arcbond by paying {2}{R}, targeting Bloodthirsty Conqueror.
Holding priority, cast Wild Ricochet by paying its mana cost, copying Arcbond, with the copy targeting another indestructible creature you control.
Resolve both Arcbonds.
Deal damage to Bloodthirsty Conqueror.
Arbond triggers, dealing that much damage to each player and each other creature.
Bloodthirsty Conqueror triggers for each opponent dealt damage, and Arcbond triggers due to the other indestructible creature being dealt damage.
Resolve all Bloodthirsty Conqueror triggers, causing you to gain life.
Resolve the Arcbond trigger, dealing that much damage to each player and each other creature.
Bloodthirsty Conqueror triggers for each opponent dealt damage, and Arcbond triggers due to Bloodthirsty Conqueror being dealt damage.
Resolve all Bloodthirsty Conqueror triggers, causing you to gain life.
Resolve the Arcbond trigger, dealing that much damage to each player and each other creature.
Repeat form step 6.

Infinite lifegain triggers

Infinite lifegain

Bloodthirsty Conqueror

Arcbond

Cast Reality Spasm by paying at least {3}{U}{U}, targeting at least three permanents and choosing the untap mode.
Holding priority, cast Wild Ricochet by paying its mana cost, copying Reality Spasm, targeting at least three permanents.
Holding priority, activate at least two mana-producing permanents you control by tapping them, adding at least {1}{U}.
Activate Errant by paying {1}{U} and tapping it, copying the Reality Spasm copy, targeting Errant and at least two mana-producing permanents you control.
Resolve the copy of Reality Spasm from step 3, untapping Errant and at least two mana-producing permanents you control.
Repeat from step 3.

Combos with "Wild Ricochet"