Pioneer

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever another nontoken crea...

Flying When Demon of Dark Schemes enters the battlefield, all other creatures get -2/-2 until end of turn. Whenever another creature dies, you get ...

Exile target creature. Create a Gold token. (It's an artifact with "Sacrifice this artifact: Add one mana of any color.")

Spectacle {B} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) Target player reveals ...

Constellation — Whenever Grim Guardian or another enchantment enters the battlefield under your control, each opponent loses 1 life.

Revolt — When Vengeful Rebel enters the battlefield, if a permanent you controlled left the battlefield this turn, target creature an opponent cont...

Return target creature card from your graveyard to your hand. Cipher (Then you may exile this spell card encoded on a creature you control. Wheneve...

Flying {2}{B}, Discard a creature card: Return Kraul Swarm from your graveyard to your hand.

Pack Rat's power and toughness are each equal to the number of Rats you control. {2}{B}, Discard a card: Create a token that's a copy of Pack Rat.

Defender Cycling {2} ({2}, Discard this card: Draw a card.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Create X tapped 2/2 black Zombie creature tokens.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Whenever a no...

Defender Ogre Jailbreaker can attack as though it didn't have defender as long as you control a Gate.

Destroy each nonland permanent with mana value X or less.

Target player discards a card. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat da...

Exile target nonland card from your graveyard. Search your library for any number of cards with the same name as that card, reveal them, put them i...

Liliana's Elite gets +1/+1 for each creature card in your graveyard.

Target creature gets -1/-1 until end of turn. Create a 1/1 green Saproling creature token.

Rats you control have menace. {1}{B}, {T}: Create a 1/1 black Rat creature token. {2}{B}{B}, {T}, Sacrifice three Rats: Gain control of target crea...

Menace At the beginning of your upkeep, each player draws a card and loses 1 life.

Flash {U}, Sacrifice an Island: Lochmere Serpent can't be blocked this turn. {B}, Sacrifice a Swamp: You gain 1 life and draw a card. {U}{B}: Ex...

At the beginning of each player's upkeep, that player sacrifices a nonland, nontoken permanent. If that player can't, they discard a card, they los...

Creatures of the creature type of your choice get -3/-3 until end of turn.