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

Besotted Knight | Creature | Human Knight | | Andreia Ugrai

Charmed Clothier | Creature | Faerie Advisor | Flying When Charmed Clothier enters the battlefield, create a Royal Role token attached to another target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 and has ward {1}.) | Winona Nelson

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

Protective Parents | Creature | Human Peasant | When Protective Parents dies, create a Young Hero Role token attached to up to one target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature has "Whenever this creature attacks, if its toughness is 3 or less, put a +1/+1 counter on it.") | Matt Stewart

Rimefur Reindeer | Creature | Elk | Whenever an enchantment enters the battlefield under your control, tap target creature an opponent controls. | Lucas Graciano

Savior of the Sleeping | Creature | Human Knight | Vigilance Whenever an enchantment you control is put into a graveyard from the battlefield, put a +1/+1 counter on Savior of the Sleeping. | Valera Lutfullina

Slumbering Keepguard | Creature | Human Knight | Whenever an enchantment enters the battlefield under your control, scry 1. {2}{W}: Slumbering Keepguard gets +1/+1 until end of turn for each enchantment you control. | Andreia Ugrai

Stockpiling Celebrant | Creature | Dwarf Knight | When Stockpiling Celebrant enters the battlefield, you may return another target nonland permanent you control to its owner's hand. If you do, scry 2. | Raluca Marinescu

Tuinvale Guide | Creature | Faerie Scout | Flying Celebration — Tuinvale Guide gets +1/+0 and has lifelink as long as two or more nonland permanents entered the battlefield under your control this turn. | Anastasia Ovchinnikova

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