Pioneer

You may cast Eternal Scourge from exile. When Eternal Scourge becomes the target of a spell or ability an opponent controls, exile Eternal Scourge.

({T}: Add {W}.) Idyllic Grange enters the battlefield tapped unless you control three or more other Plains. When Idyllic Grange enters the battlefi...

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

({C} represents colorless mana.) Choose one — • Exile target creature with power or toughness 1 or less. • Counter target sorcery spell. • Create a...

When Dowsing Dagger enters the battlefield, target opponent creates two 0/2 green Plant creature tokens with defender. Equipped creature gets +2/+1...

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.

Whenever a Dragon enters the battlefield under your control, put a gold counter on Dragon's Hoard. {T}, Remove a gold counter from Dragon's Hoard: ...

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle your library.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle your libr...

All creatures able to block Breaker of Armies do so.

Emerge {6}{G}{G}{G} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's converted mana cost.) ...

Temple of Epiphany enters the battlefield tapped. When Temple of Epiphany enters the battlefield, scry 1. {T}: Add {U} or {R}.

Equipped creature has first strike, trample, and haste. Equip {1}

Flying

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle your library.

{T}: Add {R}, {W}, or {B}. {R}{W}{B}, {T}, Sacrifice Mardu Banner: Draw a card.

Whenever Gonti's Aether Heart or another artifact enters the battlefield under your control, you get {E}{E} (two energy counters). Pay {E}{E}{E}{E}...

Botanical Sanctum enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {G} or {U}.

Flying Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.

Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that...

As Pillar of Origins enters the battlefield, choose a creature type. {T}: Add one mana of any color. Spend this mana only to cast a creature spell ...

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary if equipped creature i...

({C} represents colorless mana.) Target creature gets +3/-3 until end of turn.