Guilds of Ravnica

Garrison Sergeant | Creature | Viashino Soldier | Garrison Sergeant has double strike as long as you control a Gate. | Gabor Szikszai

Hammer Dropper | Creature | Giant Soldier | Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) | Lake Hurwitz

Skyknight Legionnaire | Creature | Human Knight | Flying, haste | Chase Stone

Fresh-Faced Recruit | Creature | Human Soldier | As long as it's your turn, Fresh-Faced Recruit has first strike. | Anthony Palumbo

Centaur Peacemaker | Creature | Centaur Cleric | When Centaur Peacemaker enters the battlefield, each player gains 4 life. | Raoul Vitale

Rosemane Centaur | Creature | Centaur Soldier | 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.) Vigilance | Nils Hamm

Sumala Woodshaper | Creature | Elf Druid | When Sumala Woodshaper enters the battlefield, look at the top four cards of your library. You may reveal a creature 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. | Sara Winters

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