Modern Horizons 3

{T}: Add {R}. As Cursed Mirror enters the battlefield, you may have it become a copy of any creature on the battlefield until end of turn, except i...

Players can't untap more than one nonbasic land during their untap steps.

Landfall — Whenever a land enters the battlefield under your control, create a 0/1 green Plant creature token. If you control seven or more lands w...

Arena of Glory enters the battlefield tapped unless you control a Mountain. {T}: Add {R}. {R}, {T}, Exert Arena of Glory: Add {R}{R}. If that mana ...

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...

Noncreature spells you cast from exile have convoke. (Each creature you tap while casting a noncreature spell from exile pays for {1} or one mana o...

You get {E}{E}{E} (three energy counters), then you may pay X {E}. Each player may exile their hand and draw X cards. If X is 7 or more, you may pl...

Reach Whenever Six attacks, mill three cards. You may put a land card from among them into your hand. As long as it's your turn, nonland permanent ...

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

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, you may cast that card without paying its mana cost if ...

Emerge from artifact {5}{B}{B} (You may cast this spell by sacrificing an artifact and paying the emerge cost reduced by that artifact's mana value...

Devoid (This card has no color.) When you cast this spell, exile up to one target noncreature, nonland permanent an opponent controls with mana val...

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...

Revolt — As long as a permanent you controlled left the battlefield this turn, if a source you control would deal noncombat damage to an opponent o...

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

Return target permanent card with mana value 3 or less from your graveyard to the battlefield. If this spell was cast from a graveyard, you may cop...

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

Devoid (This card has no color.) Trample At the beginning of combat on your turn, target creature you control gains haste and gets +X/+0 until end ...

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When Imskir Iron-Eater enters the battlefield, you draw X...

When Rosheen, Roaring Prophet enters the battlefield, mill six cards. You may put a card with {X} in its mana cost from among them into your hand. ...

({B/P} can be paid with either {B} or 2 life.) Lifelink For each {B} in a cost, you may pay 2 life rather than pay that mana. Whenever you cast a b...

Devoid (This card has no color.) Exile target nonland permanent. You may cast that card for as long as it remains exiled, and you may spend colorle...

Whenever another nontoken permanent you control leaves the battlefield, choose one that hasn't been chosen this turn. Create a creature token with ...

Lifelink Enchantment spells you cast have affinity for Auras. (They cost {1} less to cast for each Aura you control.) Whenever you cast an Aura spe...