Guilds of Ravnica

Ledev Guardian | Creature | Human Knight | 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.) | Kimonas Theodossiou

Parhelion Patrol | Creature | Human Knight | Flying, vigilance Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) | Even Amundsen

Muse Drake | Creature | Drake | Flying When Muse Drake enters the battlefield, draw a card. | Titus Lunter

Wishcoin Crab | Creature | Crab | | James Paick

Bartizan Bats | Creature | Bat | Flying (This creature can't be blocked except by creatures with flying or reach.) | Nils Hamm

Moodmark Painter | Creature | Human Shaman | Undergrowth — When Moodmark Painter enters the battlefield, target creature gains menace and gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. (It can't be blocked except by two or more creatures.) | Scott Murphy

Rubblebelt Boar | Creature | Boar | When Rubblebelt Boar enters the battlefield, target creature gets +2/+0 until end of turn. | Tomasz Jedruszek

Wild Ceratok | Creature | Rhino | | Svetlin Velinov

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

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

Rhizome Lurcher | Creature | Fungus Zombie | Undergrowth — Rhizome Lurcher enters the battlefield with a number of +1/+1 counters on it equal to the number of creature cards in your graveyard. | Mathias Kollros