Guilds of Ravnica

Conclave Guildmage | Creature | Elf Cleric | {G}, {T}: Creatures you control gain trample until end of turn. {5}{W}, {T}: Create a 2/2 green and white Elf Knight creature token with vigilance. | Jason Rainville

Emmara, Soul of the Accord | Legendary Creature | Elf Cleric | Whenever Emmara, Soul of the Accord becomes tapped, create a 1/1 white Soldier creature token with lifelink. | Mark Winters

Worldsoul Colossus | Creature | Elemental | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Worldsoul Colossus enters the battlefield with X +1/+1 counters on it. | James Paick

Vernadi Shieldmate | Creature | Human Soldier | Vigilance | Matt Stewart

Assure | Instant | | Put a +1/+1 counter on target creature. That creature gains indestructible until end of turn. | Jason A. Engle

Assassin's Trophy | Instant | | Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle. | Seb McKinnon

Glowspore Shaman | Creature | Elf Shaman | When Glowspore Shaman enters the battlefield, mill three cards. You may put a land card from your graveyard on top of your library. | Lars Grant-West

Swarm Guildmage | Creature | Elf Shaman | {4}{B}, {T}: Creatures you control get +1/+0 and gain menace until end of turn. (They can't be blocked except by two or more creatures.) {1}{G}, {T}: You gain 2 life. | Simon Dominic

Find | Sorcery | | Return up to two target creature cards from your graveyard to your hand. | Tomasz Jedruszek