
Cloudfin Raptor | Creature | Bird Mutant | Flying
Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) | Maxime Minard

Fallaji Archaeologist | Creature | Human Scout | When Fallaji Archaeologist enters, mill three cards. You may put a noncreature, nonland card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on Fallaji Archaeologist. (To mill a card, put the top card of your library into your graveyard.) | Caroline Gariba

Ingenious Skaab | Creature | Zombie Horror | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{U}: Ingenious Skaab gets +1/-1 until end of turn. | Jesper Ejsing

Nimbus Naiad | Enchantment Creature | Nymph | Bestow {4}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Flying
Enchanted creature gets +2/+2 and has flying. | David Palumbo

Opal Lake Gatekeepers | Creature | Vedalken Soldier | When Opal Lake Gatekeepers enters, if you control two or more Gates, you may draw a card. | Arif Wijaya

Tah-Crop Skirmisher | Creature | Snake Warrior | Embalm {3}{U} ({3}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Snake Warrior with no mana cost. Embalm only as a sorcery.) | Victor Adame Minguez

Windrider Patrol | Creature | Merfolk Wizard | Flying
Whenever Windrider Patrol deals combat damage to a player, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.) | Svetlin Velinov

Archaeomancer | Creature | Human Wizard | When Archaeomancer enters, return target instant or sorcery card from your graveyard to your hand. | Zoltan Boros

Lyev Skyknight | Creature | Human Knight | Flying
When Lyev Skyknight enters, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.) | Johannes Voss

Possessed Skaab | Creature | Zombie | When Possessed Skaab enters, return target instant, sorcery, or creature card from your graveyard to your hand.
If Possessed Skaab would die, exile it instead. | John Stanko

Nivix Cyclops | Creature | Cyclops | Defender
Whenever you cast an instant or sorcery spell, Nivix Cyclops gets +3/+0 until end of turn and can attack this turn as though it didn't have defender. | Wayne Reynolds

Skyrider Elf | Creature | Elf Warrior Ally | Flying
Converge — Skyrider Elf enters with a +1/+1 counter on it for each color of mana spent to cast it. | Dan Murayama Scott