Wilds of Eldraine

Three Blind Mice | Enchantment | Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I — Create a 1/1 white Mouse creature token. II, III — Create a token that's a copy of target token you control. IV — Creatures you control get +1/+1 and gain vigilance until end of turn. | Andrew Mar

Werefox Bodyguard | Creature | Elf Fox Knight | Flash When Werefox Bodyguard enters the battlefield, exile up to one other target non-Fox creature until Werefox Bodyguard leaves the battlefield. {1}{W}, Sacrifice Werefox Bodyguard: You gain 2 life. | Nestor Ossandon Leal

Talion's Messenger | Creature | Faerie Noble | Flying Whenever you attack with one or more Faeries, draw a card, then discard a card. When you discard a card this way, put a +1/+1 counter on target Faerie you control. | Marta Nael

Gumdrop Poisoner | Creature | Human Warlock | Lifelink When Gumdrop Poisoner enters the battlefield, up to one target creature gets -X/-X until end of turn, where X is the amount of life you gained this turn. | Brian Valeza

Lord Skitter, Sewer King | Legendary Creature | Rat Noble | Whenever another Rat enters the battlefield under your control, exile up to one target card from an opponent's graveyard. At the beginning of combat on your turn, create a 1/1 black Rat creature token with "This creature can't block." | Jesper Ejsing

Goddric, Cloaked Reveler | Legendary Creature | Human Noble | Haste Celebration — As long as two or more nonland permanents entered the battlefield under your control this turn, Goddric, Cloaked Reveler is a Dragon with base power and toughness 4/4, flying, and "{R}: Dragons you control get +1/+0 until end of turn." (It loses all other creature types.) | Jason A. Engle

The Huntsman's Redemption | Enchantment | Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Create a 3/3 green Beast creature token. II — You may sacrifice a creature. If you do, search your library for a creature or basic land card, reveal it, put it into your hand, then shuffle. III — Up to two target creatures each get +2/+2 and gain trample until end of turn. | Magali Villeneuve

Sentinel of Lost Lore | Creature | Elf Knight | When Sentinel of Lost Lore enters the battlefield, choose one or more — • Return target card you own in exile that has an Adventure to your hand. • Put target card you don't own in exile that has an Adventure on the bottom of its owner's library. • Exile target player's graveyard. | Cristi Balanescu

Wildwood Mentor | Creature | Treefolk | Whenever a token enters the battlefield under your control, put a +1/+1 counter on Wildwood Mentor. Whenever Wildwood Mentor attacks, another target attacking creature gets +X/+X until end of turn, where X is Wildwood Mentor's power. | Piotr Foksowicz

Hylda's Crown of Winter | Legendary Artifact | | {1}, {T}: Tap target creature. This ability costs {1} less to activate during your turn. {3}, Sacrifice Hylda's Crown of Winter: Draw a card for each tapped creature your opponents control. | Volkan Baǵa