Throne of Eldraine

Shinechaser | Creature | Faerie | Flying, vigilance Shinechaser gets +1/+1 as long as you control an artifact. Shinechaser gets +1/+1 as long as you control an enchantment. | Evan Shipard

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

Wintermoor Commander | Creature | Human Knight | Deathtouch Wintermoor Commander's toughness is equal to the number of Knights you control. Whenever Wintermoor Commander attacks, another target Knight you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) | Tyler Jacobson

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

Inspiring Veteran | Creature | Human Knight | Other Knights you control get +1/+1. | Scott Murphy

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

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

Wandermare | Creature | Horse | Whenever you cast a creature spell that has an Adventure, put a +1/+1 counter on Wandermare. (It doesn't need to have gone on the adventure first.) | Kari Christensen

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