Pioneer

Whenever an artifact enters the battlefield under your control, Reckless Fireweaver deals 1 damage to each opponent.

Enchant creature or planeswalker you control When enchanted permanent dies or is put into exile, return that card to the battlefield under your con...

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the li...

Counter target noncreature spell. Untap up to three lands.

As an additional cost to cast this spell, sacrifice a creature. Fling deals damage equal to the sacrificed creature's power to any target.

Spectacle {R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) Skewer the Critics dea...

{T}: Add {G}.

Reach When Arboreal Grazer enters the battlefield, you may put a land card from your hand onto the battlefield tapped.

Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.

Target player draws two cards and loses 2 life.

Bloodfell Caves enters the battlefield tapped. When Bloodfell Caves enters the battlefield, you gain 1 life. {T}: Add {B} or {R}.

Sacrifice a Goblin: Add {R}.

Target creature gets +1/+0 until end of turn. When that creature dies this turn, create a 3/2 colorless Eldrazi Horror creature token.

Defender {T}: Creatures you control gain haste until end of turn.

Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that's a copy of a creature token you control.)

{T}: Add {C}. {T}, Tap an untapped creature you control: Add one mana of any color.

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

({T}: Add {B}.) Witch's Cottage enters the battlefield tapped unless you control three or more other Swamps. When Witch's Cottage enters the battle...

({T}: Add {U}.) Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands. When Mystic Sanctuary enters the bat...

{T}: Add {C}. ({C} represents colorless mana.)

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.

Whenever another green creature enters the battlefield under your control, put a +1/+1 counter on target creature.

Enchant creature Enchanted creature can't be blocked. Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may p...

{T}: Add one mana of any color.