Modern Horizons 3

Flare of Fortitude

Flare of Fortitude {2}{W}{W}

Instant
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 you control gain hexproof and indestructible.
Ocelot Pride

Ocelot Pride {W}

Creature - Cat
First strike, lifelink
Ascend
At the beginning of your end step, if you gained life this turn, create a 1/1 white Cat creature token. Then if you have the city's blessing, for each token you control that entered this turn, create a token that's a copy of it.
1/1
Related card: Ocelot Pride (Alchemy)
Orim's Chant

Orim's Chant {W}

Instant
Kicker {W}
Target player can't cast spells this turn. If this spell was kicked, creatures can't attack this turn.
White Orchid Phantom

White Orchid Phantom {W}{W}

Creature - Spirit Knight
Flying, first strike
When this creature enters, destroy up to one target nonbasic land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.
2/2
Wrath of the Skies

Wrath of the Skies {X}{W}{W}

Sorcery
You get X {E}, then you may pay any amount of {E}. Destroy each artifact, creature, and enchantment with mana value less than or equal to the amount of {E} paid this way.
Flare of Denial

Flare of Denial {1}{U}{U}

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

Strix Serenade {U}

Instant
Counter target artifact, creature, or planeswalker spell. Its controller creates a 2/2 blue Bird creature token with flying.
Ugin's Binding

Ugin's Binding {2}{U}

Instant
Devoid
Return target nonland permanent you don't control to its owner's hand.
Whenever you cast a colorless spell with mana value 7 or greater, you may exile this card from your graveyard. When you do, return each nonland permanent you don't control to its owner's hand.
Volatile Stormdrake

Volatile Stormdrake {1}{U}

Creature - Drake
Flying, hexproof from activated and triggered abilities
When this creature enters, exchange control of this creature and target creature an opponent controls. If you do, you get {E}{E}{E}{E}, then sacrifice that creature unless you pay an amount of {E} equal to its mana value.
3/2
Chthonian Nightmare

Chthonian Nightmare {1}{B}

Enchantment
When this enchantment enters, you get {E}{E}{E}.
Pay X {E}, Sacrifice a creature, Return this enchantment to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.
Flare of Malice

Flare of Malice {2}{B}{B}

Instant
You may sacrifice a nontoken black creature rather than pay this spell's mana cost.
Each opponent sacrifices a creature or planeswalker with the greatest mana value among creatures and planeswalkers they control.
Warren Soultrader

Warren Soultrader {2}{B}

Creature - Zombie Goblin Wizard
Pay 1 life, Sacrifice another creature: Create a Treasure token.
3/3
Flare of Duplication

Flare of Duplication {1}{R}{R}

Instant
You may sacrifice a nontoken red creature rather than pay this spell's mana cost.
Copy target instant or sorcery spell. You may choose new targets for the copy.
Party Thrasher

Party Thrasher {1}{R}

Creature - Lizard Wizard
Noncreature spells you cast from exile have convoke.
At the beginning of your first main phase, you may discard a card. If you do, exile the top two cards of your library, then choose one of them. You may play that card this turn.
1/4
Powerbalance

Powerbalance {R}{R}

Enchantment
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 the two spells have the same mana value.
Wheel of Potential

Wheel of Potential {2}{R}

Sorcery
You get {E}{E}{E}, then you may pay any amount of {E}.
Each player may exile their hand and draw a number of cards equal to the amount of {E} paid this way. If seven or more {E} was paid this way, you may play cards you own exiled this way until the end of your next turn.
Birthing Ritual

Birthing Ritual {1}{G}

Enchantment
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 you do, you may put a creature card with mana value X or less from among those cards onto the battlefield, where X is 1 plus the sacrificed creature's mana value. Put the rest on the bottom of your library in a random order.
Flare of Cultivation

Flare of Cultivation {1}{G}{G}

Sorcery
You may sacrifice a nontoken green creature rather than pay this spell's mana cost.
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
Primal Prayers

Primal Prayers {2}{G}{G}

Enchantment
When this enchantment enters, you get {E}{E}.
You may cast creature spells with mana value 3 or less by paying {E} rather than paying their mana costs. If you cast a spell this way, you may cast it as though it had flash.
Sowing Mycospawn

Sowing Mycospawn {3}{G}

Creature - Eldrazi Fungus
Devoid
Kicker {1}{C}
When you cast this spell, search your library for a land card, put it onto the battlefield, then shuffle.
When you cast this spell, if it was kicked, exile target land.
3/3
Springheart Nantuko

Springheart Nantuko {1}{G}

Enchantment Creature - Insect Monk
Bestow {1}{G}
Enchanted creature gets +1/+1.
Landfall — Whenever a land you control enters, you may pay {1}{G} if this permanent is attached to a creature you control. If you do, create a token that's a copy of that creature. If you didn't create a token this way, create a 1/1 green Insect creature token.
1/1
Abstruse Appropriation

Abstruse Appropriation {2}{W}{B}

Instant
Devoid
Exile target nonland permanent. You may cast that card for as long as it remains exiled, and you may spend colorless mana as though it were mana of any color to cast that spell.
Kaalia of the Vast

Kaalia of the Vast {1}{R}{W}{B}

Legendary Creature - Human Cleric
Flying
Whenever Kaalia attacks an opponent, you may put an Angel, Demon, or Dragon creature card from your hand onto the battlefield tapped and attacking that opponent.
2/2
Psychic Frog

Psychic Frog {U}{B}

Creature - Frog
Whenever this creature deals combat damage to a player or planeswalker, draw a card.
Discard a card: Put a +1/+1 counter on this creature.
Exile three cards from your graveyard: This creature gains flying until end of turn.
1/2
Emerald Medallion

Emerald Medallion {2}

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