Modern Horizons 3

Haste Whenever Laelia, the Blade Reforged attacks, exile the top card of your library. You may play that card this turn. Whenever one or more cards...

You don't lose unspent red mana as steps and phases end. Magecraft — Whenever you cast or copy an instant or sorcery spell, discard a card, then dr...

Emerge {6}{R}{R} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cas...

(Place your energy counters in this area.)

Imprint — When Ugin's Labyrinth enters the battlefield, you may exile a colorless card with mana value 7 or greater from your hand. {T}: Add {C}. I...

Imprint — When Ugin's Labyrinth enters the battlefield, you may exile a colorless card with mana value 7 or greater from your hand. {T}: Add {C}. I...

Shifting Woodland enters the battlefield tapped unless you control a Forest. {T}: Add {G}. Delirium — {2}{G}{G}: Shifting Woodland becomes a copy o...

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

Monumental Henge enters the battlefield tapped unless you control a Plains. {T}: Add {W}. {2}{W}{W}, {T}: Look at the top five cards of your librar...

White spells you cast cost {1} less to cast.

Black spells you cast cost {1} less to cast.

Green spells you cast cost {1} less to cast.

Whenever Psychic Frog deals combat damage to a player or planeswalker, draw a card. Discard a card: Put a +1/+1 counter on Psychic Frog. Exile thre...

Whenever Psychic Frog deals combat damage to a player or planeswalker, draw a card. Discard a card: Put a +1/+1 counter on Psychic Frog. Exile thre...

Bestow {1}{G} Enchanted creature gets +1/+1. Landfall — Whenever a land enters the battlefield under your control, you may pay {1}{G} if Springhear...

At the beginning of your end step, if you control a creature, look at the top seven cards of your library. Then you may sacrifice a creature. If yo...

Pay 1 life, Sacrifice another creature: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

When Chthonian Nightmare enters the battlefield, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return Chthonian Night...

Devoid (This card has no color.) Return target nonland permanent you don't control to its owner's hand. Whenever you cast a colorless spell with ma...

You may sacrifice a nontoken blue creature rather than pay this spell's mana cost. Counter target spell.

You get X {E} (energy counters), then you may pay any amount of {E}. Destroy each artifact, creature, and enchantment with mana value less than or ...

You may sacrifice a nontoken white creature rather than pay this spell's mana cost. Until end of turn, your life total can't change, and permanents...

If a triggered ability of a colorless spell you control or another colorless permanent you control triggers, that ability triggers an additional ti...

Whenever another creature enters the battlefield under your control, you gain 1 life and get {E} (an energy counter). Whenever you attack, you may ...