Bloomburrow

Brave-Kin Duo | Creature | Rabbit Mouse | {1}, {T}: Target creature gets +1/+1 until end of turn. Activate only as a sorcery. | Devin Platts

Flowerfoot Swordmaster | Creature | Mouse Soldier | Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Valiant — Whenever this creature becomes the target of a spell or ability you control for the first time each turn, Mice you control get +1/+0 until end of turn. | Aaron Miller

Seasoned Warrenguard | Creature | Rabbit Warrior | Whenever Seasoned Warrenguard attacks while you control a token, Seasoned Warrenguard gets +2/+0 until end of turn. | Dave Kendall

Mockingbird | Creature | Bird Bard | Flying You may have Mockingbird enter the battlefield as a copy of any creature on the battlefield with mana value less than or equal to the mana spent to cast Mockingbird, except it is a Bird in addition to its other types and has flying. | Aurore Folny

Bonecache Overseer | Creature | Squirrel Warlock | {T}, Pay 1 life: Draw a card. Activate only if three or more cards left your graveyard this turn or if you've sacrificed a Food this turn. | Mila Pesic

Iridescent Vinelasher | Creature | Lizard Assassin | Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Landfall — Whenever a land you control enters, this creature deals 1 damage to target opponent. | Aaron Miller

Ravine Raider | Creature | Lizard Rogue | Menace (This creature can't be blocked except by two or more creatures.) {1}{B}: Ravine Raider gets +1/+1 until end of turn. | Simon Dominic

Heartfire Hero | Creature | Mouse Soldier | Valiant — Whenever Heartfire Hero becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it. When Heartfire Hero dies, it deals damage equal to its power to each opponent. | Jakub Kasper

Hired Claw | Creature | Lizard Mercenary | Whenever you attack with one or more Lizards, Hired Claw deals 1 damage to target opponent. {1}{R}: Put a +1/+1 counter on Hired Claw. Activate this ability only if an opponent has lost life this turn and only once each turn. | Quintin Gleim

Mistbreath Elder | Creature | Frog Warrior | At the beginning of your upkeep, return another creature you control to its owner's hand. If you do, put a +1/+1 counter on Mistbreath Elder. Otherwise, you may return Mistbreath Elder to its owner's hand. | Jason Kang

Pawpatch Recruit | Creature | Rabbit Warrior | Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Trample Whenever a creature you control becomes the target of a spell or ability an opponent controls, put a +1/+1 counter on target creature you control other than that creature. | Johan Grenier

Sunshower Druid | Creature | Frog Druid | When Sunshower Druid enters, put a +1/+1 counter on target creature and you gain 1 life. | Tuan Duong Chu

Valley Mightcaller | Creature | Frog Warrior | Trample Whenever another Frog, Rabbit, Raccoon, or Squirrel you control enters, put a +1/+1 counter on Valley Mightcaller. | Matt Stewart