Bloomburrow

Agate Assault | Sorcery | | Choose one — • Agate Assault deals 4 damage to target creature. If that creature would die this turn, exile it instead. • Exile target artifact. | Slawomir Maniak

Kindlespark Duo | Creature | Lizard Otter | {T}: Kindlespark Duo deals 1 damage to target opponent. Whenever you cast a noncreature spell, untap Kindlespark Duo. | Daren Bader

Roughshod Duo | Creature | Mouse Raccoon | Trample Whenever you expend 4, target creature you control gets +1/+1 and gains trample until end of turn. (You expend 4 as you spend your fourth total mana to cast spells during a turn.) | Michal Ivan

Tempest Angler | Creature | Otter Wizard | Whenever you cast a noncreature spell, put a +1/+1 counter on Tempest Angler. | Raluca Marinescu

Cindering Cutthroat | Creature | Lizard Assassin | Cindering Cutthroat enters with a +1/+1 counter on it if an opponent lost life this turn. {1}{B/R}: Cindering Cutthroat gains menace until end of turn. (It can't be blocked except by two or more creatures.) | Wayne Reynolds