Wilds of Eldraine

Armory Mice | Creature | Mouse | Celebration — Armory Mice gets +0/+2 as long as two or more nonland permanents entered the battlefield under your control this turn. | Chris Seaman

Frostbridge Guard | Creature | Elemental Soldier | {2}{W}, {T}: Tap target creature. | Paul Scott Canavan

Regal Bunnicorn | Creature | Rabbit Unicorn | Regal Bunnicorn's power and toughness are each equal to the number of nonland permanents you control. | Ilse Gort

Spellbook Vendor | Creature | Human Peasant | Vigilance At the beginning of combat on your turn, you may pay {1}. When you do, create a Sorcerer Role token attached to target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 and has "Whenever this creature attacks, scry 1.") | Scott Murphy

Unassuming Sage | Creature | Human Peasant Wizard | When Unassuming Sage enters the battlefield, you may pay {2}. If you do, create a Sorcerer Role token attached to it. (Enchanted creature gets +1/+1 and has "Whenever this creature attacks, scry 1.") | Michele Giorgi

Heartflame Duelist | Creature | Human Knight | Instant and sorcery spells you control have lifelink. | Justyna Dura

Pollen-Shield Hare | Creature | Rabbit | Creature tokens you control get +1/+1. | Olena Richards

Shrouded Shepherd | Creature | Spirit Warrior | When Shrouded Shepherd enters the battlefield, target creature you control gets +2/+2 until end of turn. | Randy Vargas

Ash, Party Crasher | Legendary Creature | Human Peasant | Haste Celebration — Whenever Ash, Party Crasher attacks, if two or more nonland permanents entered the battlefield under your control this turn, put a +1/+1 counter on Ash. | Jason Rainville