Pioneer Masters

Dinrova Horror | Creature | Horror | When Dinrova Horror enters, return target permanent to its owner's hand, then that player discards a card. | Johann Bodin

Dragonlord Silumgar | Legendary Creature | Elder Dragon | Flying, deathtouch When Dragonlord Silumgar enters, gain control of target creature or planeswalker for as long as you control Dragonlord Silumgar. | Steven Belledin

Notion Thief | Creature | Human Rogue | Flash If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card. | Clint Cearley

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

Tomebound Lich | Creature | Zombie Wizard | Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Lifelink (Damage dealt by this creature also causes you to gain that much life.) Whenever Tomebound Lich enters or deals combat damage to a player, draw a card, then discard a card. | Cristi Balanescu

Nightveil Specter | Creature | Specter | Flying Whenever Nightveil Specter deals combat damage to a player, that player exiles the top card of their library. You may play lands and cast spells from among cards exiled with Nightveil Specter. | Min Yum

Phenax, God of Deception | Legendary Enchantment Creature | God | Indestructible As long as your devotion to blue and black is less than seven, Phenax isn't a creature. Creatures you control have "{T}: Target player mills X cards, where X is this creature's toughness." | Ryan Barger

Chromanticore | Enchantment Creature | Manticore | Bestow {2}{W}{U}{B}{R}{G} (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, first strike, vigilance, trample, lifelink Enchanted creature gets +4/+4 and has flying, first strike, vigilance, trample, and lifelink. | Min Yum