Airi Yoshihisa

Boiling Rock Rioter

Firebending 1 (Whenever this creature attacks, add {R}. This mana lasts until end of combat.)
Tap an untapped Ally you control: Exile target card from a graveyard.
Whenever this creature attacks, you may cast an Ally spell from among cards you own exiled with this creature.

"Dang it, Slim, I told you: No eating our spirit buddies!"

Foggy Swamp Spirit Keeper

Lifelink
Whenever you draw your second card each turn, create a 1/1 colorless Spirit creature token with "This token can't block or be blocked by non-Spirit creatures."

Firebending Student

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Firebending X, where X is this creature's power. (Whenever this creature attacks, add X {R}. This mana lasts until end of combat.)

Shinra Reinforcements

When this creature enters, mill three cards and you gain 3 life. (To mill three cards, put the top three cards of your library into your graveyard.)

Bosco, Just a Bear

When Bosco enters, create a Food token for each legendary creature you control. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")
{2}{G}, Sacrifice a Food: Put two +1/+1 counters on Bosco. He gains trample until end of turn.

Mabel, Heir to Cragflame

Other Mice you control get +1/+1.
When Mabel, Heir to Cragflame enters, create Cragflame, a legendary colorless Equipment artifact token with "Equipped creature gets +1/+1 and has vigilance, trample, and haste" and equip {2}.

Other Mice you control get +1/+1.
When Mabel enters, create Cragflame, a legendary colorless Equipment artifact token with "Equipped creature gets +1/+1 and has vigilance, trample, and haste" and equip {2}.

Meltdown

Destroy each artifact with mana value X or less.

SetSorted descending	NameCard name and typeCardsNot sorted	Rarity	Type	PriceNot sorted	FoilNot sorted
[TLA] #222	Foggy Swamp Spirit KeeperFoggy Swamp Spirit KeeperCreature — Human Druid Ally[TLA] \| #222 \| Uncommon \| Price: $0.23 \| Foil price: ✨$0.25	uncommon	Creature — Human Druid Ally	$0.23	✨$0.25
[TLA] #393	Firebending StudentFirebending StudentCreature — Human Monk[TLA] \| #393 \| Rare \| Price: N/A \| Foil price: ✨$0.52	rare	Creature — Human Monk	N/A	✨$0.52
[TLE] #132	Bosco, Just a BearBosco, Just a BearLegendary Creature — Bear[TLE] \| #132 \| Uncommon \| Price: $0.19 \| Foil price: ✨$2.11	uncommon	Legendary Creature — Bear	$0.19	✨$2.11
[TLA] #87	Boiling Rock RioterBoiling Rock RioterCreature — Human Rogue Ally[TLA] \| #87 \| Rare \| Price: $0.25 \| Foil price: ✨$0.30	rare	Creature — Human Rogue Ally	$0.25	✨$0.30
[SLD] #2296	MeltdownMeltdownSorcery[SLD] \| #2296 \| Rare \| Price: $5.57 \| Foil price: ✨---	rare	Sorcery	$5.57	✨---
[FIN] #118	Shinra ReinforcementsShinra ReinforcementsCreature — Human Soldier[FIN] \| #118 \| Common \| Price: $0.12 \| Foil price: ✨$0.24	common	Creature — Human Soldier	$0.12	✨$0.24
[BLB] #351	Mabel, Heir to CragflameMabel, Heir to CragflameLegendary Creature — Mouse Soldier[BLB] \| #351 \| Rare \| Price: N/A \| Foil price: ✨$144.45	rare	Legendary Creature — Mouse Soldier	N/A	✨$144.45