Throne of Eldraine

Feasting Troll King | Creature | Troll Noble | Vigilance, trample When Feasting Troll King enters the battlefield, if you cast it from your hand, create three Food tokens. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") Sacrifice three Foods: Return Feasting Troll King from your graveyard to the battlefield. Activate only during your turn. | Nicholas Gregory

Gilded Goose | Creature | Bird | Flying When Gilded Goose enters the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") {1}{G}, {T}: Create a Food token. {T}, Sacrifice a Food: Add one mana of any color. | Lindsey Look

Lovestruck Beast | Creature | Beast Noble | Lovestruck Beast can't attack unless you control a 1/1 creature. | Kev Walker

Once Upon a Time | Instant | | If this spell is the first spell you've cast this game, you may cast it without paying its mana cost. Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Matt Stewart

Return of the Wildspeaker | Instant | | Choose one — • Draw cards equal to the greatest power among non-Human creatures you control. • Non-Human creatures you control get +3/+3 until end of turn. | Chris Rallis

Wicked Wolf | Creature | Wolf | When Wicked Wolf enters the battlefield, it fights up to one target creature you don't control. Sacrifice a Food: Put a +1/+1 counter on Wicked Wolf. It gains indestructible until end of turn. Tap it. | Tomasz Jedruszek

Wildborn Preserver | Creature | Elf Archer | Flash Reach Whenever another non-Human creature enters the battlefield under your control, you may pay {X}. When you do, put X +1/+1 counters on Wildborn Preserver. | Lius Lasahido

Yorvo, Lord of Garenbrig | Legendary Creature | Giant Noble | Yorvo, Lord of Garenbrig enters the battlefield with four +1/+1 counters on it. Whenever another green creature enters the battlefield under your control, put a +1/+1 counter on Yorvo. Then if that creature's power is greater than Yorvo's power, put another +1/+1 counter on Yorvo. | Zack Stella

Thorn Mammoth | Creature | Elephant | Trample Whenever Thorn Mammoth or another creature enters the battlefield under your control, Thorn Mammoth fights up to one target creature you don't control. | Svetlin Velinov

Faeburrow Elder | Creature | Treefolk Druid | Vigilance Faeburrow Elder gets +1/+1 for each color among permanents you control. {T}: For each color among permanents you control, add one mana of that color. | Raoul Vitale

Escape to the Wilds | Sorcery | | Exile the top five cards of your library. You may play cards exiled this way until the end of your next turn. You may play an additional land this turn. | Chris Ostrowski

Castle Garenbrig | Land | | Castle Garenbrig enters the battlefield tapped unless you control a Forest. {T}: Add {G}. {2}{G}{G}, {T}: Add six {G}. Spend this mana only to cast creature spells or activate abilities of creatures. | Adam Paquette