Throne of Eldraine

Archon of Absolution | Creature | Archon | Flying Protection from white (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything white.) Creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures. | Igor Kieryluk

Ardenvale Paladin | Creature | Human Knight | Adamant — If at least three white mana was spent to cast this spell, Ardenvale Paladin enters the battlefield with a +1/+1 counter on it. | Volkan Baǵa

Bartered Cow | Creature | Ox | When Bartered Cow dies or when you discard it, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") | Deruchenko Alexander

Arcanist's Owl | Artifact Creature | Bird | Flying When Arcanist's Owl enters the battlefield, look at the top four cards of your library. You may reveal an artifact or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Véronique Meignaud

Resolute Rider | Creature | Human Knight | {W/B}{W/B}: Resolute Rider gains lifelink until end of turn. {W/B}{W/B}{W/B}: Resolute Rider gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) | Carmen Sinek

Fireborn Knight | Creature | Human Knight | Double strike {R/W}{R/W}{R/W}{R/W}: Fireborn Knight gets +1/+1 until end of turn. | Ben Maier

Oakhame Ranger | Creature | Elf Knight Ranger | {T}: Creatures you control get +1/+1 until end of turn. | Mitchell Malloy