Raid — If you attacked this turn, you may pay rather than pay this spell's mana cost.

Counter target spell.

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost.

Cast this spell only during combat.

Create a 4/4 white Angel creature token with flying. Exile it at the beginning of the next end step.

If an opponent searched their library this turn, you may pay rather than pay this spell's mana cost.

Target opponent mills thirteen cards.

At the beginning of your upkeep, put a time counter on As Foretold.

Once each turn, you may pay rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on As Foretold.

If an opponent had an artifact enter the battlefield under their control this turn, you may pay rather than pay this spell's mana cost.

Create a 4/4 green Beast creature token.

You may look at the top card of your library any time.

You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.

, Sacrifice ten nonland permanents: Each opponent loses 10 life.

You may pay rather than pay this spell's mana cost.

Trample

At the beginning of your upkeep, you may pay 2 life. If you do, search your library for a card, then shuffle and put that card on top.

You may pay rather than pay this spell's mana cost.

Trample

At the beginning of your upkeep, you may create a 3/3 green Beast creature token.

You may pay rather than pay this spell's mana cost.

Trample

At the beginning of your upkeep, you may return target artifact card from your graveyard to the battlefield.

If a noncreature permanent under your control was destroyed this turn by a spell or ability an opponent controlled, you may pay rather than pay this spell's mana cost.

Create four 1/1 green Snake creature tokens.

Flying

You may collect evidence 10 rather than pay the mana cost for spells that you cast. (To collect evidence 10, exile cards with total mana value 10 or greater from your graveyard.)

You may sacrifice a Mountain rather than pay this spell's mana cost.

Destroy target artifact.

Indestructible

Once each turn, you may pay rather than pay the mana cost for a colorless spell you cast from your hand.

You may sacrifice three black creatures rather than pay this spell's mana cost.

Trample

Flying, trample

Once during each of your turns, you may cast an enchantment spell by paying life equal to its mana value rather than paying its mana cost.

, Sacrifice another enchantment: Demon of Fate's Design gets +X/+0 until end of turn, where X is the sacrificed enchantment's mana value.

You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost.

Counter target spell if its mana value is X.

Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell.

Flying, lifelink

You may play lands and cast spells from among cards in your graveyard you've surveilled this turn. If you cast a spell this way, you pay life equal to its mana value rather than paying its mana cost.

You may pay and return a basic land you control to its owner's hand rather than pay this spell's mana cost.

Fieldmist Borderpost enters the battlefield tapped.

: Add or .

You may pay and return a basic land you control to its owner's hand rather than pay this spell's mana cost.

Firewild Borderpost enters the battlefield tapped.

: Add or .

Destroy up to three target artifacts. Conjure a duplicate of each nontoken artifact destroyed this way into your hand. The duplicates perpetually gain "You may pay rather than pay this spell's mana cost" and "At the beginning of your end step, sacrifice this artifact."

You may discard an Island card and another card rather than pay this spell's mana cost.

Counter target spell.

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost.

Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

If it's not your turn, you may exile a green card from your hand rather than pay this spell's mana cost.

Destroy up to two target artifacts and/or enchantments.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

As long as you control a Giant, you may cast Glimpse the Cosmos from your graveyard by paying rather than paying its mana cost. If you cast Glimpse the Cosmos this way and it would be put into your graveyard, exile it instead.

You may sacrifice four Eldrazi Spawn rather than pay this spell's mana cost.

Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent.)

You may pay rather than pay this spell's mana cost.

If the cost was paid, you draw three cards, then an opponent creates two Treasure tokens and they scry 2. If that cost wasn't paid, you draw X cards.

Discard a card: Return Jadzi, Oracle of Arcavios to its owner's hand.

Magecraft — Whenever you cast or copy an instant or sorcery spell, reveal the top card of your library. If it's a nonland card, you may cast it by paying rather than paying its mana cost. If it's a land card, put it onto the battlefield.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

You may pay rather than pay the mana cost for Samurai spells you cast, where X is that spell's mana value.

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost.

Enchant creature

Enchanted creature has first strike.

If three or more creatures are attacking, you may pay rather than pay this spell's mana cost.

Attacking creatures get -3/-0 until end of turn.

If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost.

Each player exiles two cards from their hand.

If it's your turn, you may sacrifice a Mountain rather than pay this spell's mana cost.

Mine Collapse deals 5 damage to target creature or planeswalker.

You may pay and return a basic land you control to its owner's hand rather than pay this spell's mana cost.

Mistvein Borderpost enters the battlefield tapped.

: Add or .

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Nashi, Moon Sage's Scion deals combat damage to a player, exile the top card of each player's library. Until end of turn, you may play one of those cards. If you cast a spell this way, pay life equal to its mana value rather than paying its mana cost.

If a white creature is attacking, you may pay rather than pay this spell's mana cost.

Exile target attacking creature. Create a token that's a copy of that creature. Exile it at the beginning of the next end step.

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost.

Prevent the next 4 damage that would be dealt to any target this turn.

If an opponent had a green creature enter the battlefield under their control this turn, you may pay rather than pay this spell's mana cost.

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

You may sacrifice two Mountains rather than pay this spell's mana cost.

Destroy all artifacts.

Enchant creature

Enchanted creature gets +1/+1.

You may cast Raffine's Guidance from your graveyard by paying rather than paying its mana cost.

If an opponent had three or more cards put into their graveyard from anywhere this turn, you may pay rather than pay this spell's mana cost.

Exile target player's graveyard.

Exile target creature card from your graveyard. Until the end of your next turn, you may cast that card. (Then exile this card. You may cast the creature later from exile.)

If you control a Forest, rather than pay this spell's mana cost, you may have each other player gain 6 life.

Destroy all enchantments.

You may pay rather than pay the mana cost for Zombie creature spells you cast.

If an opponent drew three or more cards this turn, you may pay rather than pay this spell's mana cost.

Runeflare Trap deals damage to target player equal to the number of cards in that player's hand.

You may sacrifice three artifacts rather than pay this spell's mana cost.

Exile three artifact cards from your graveyard: Return Salvage Titan from your graveyard to your hand.

You may exile a white card from your hand rather than pay this spell's mana cost.

Prevent the next 7 damage that would be dealt to any target this turn. If it's a creature, put a +0/+1 counter on it for each 1 damage prevented this way at the beginning of the next end step.

You may pay rather than pay this spell's mana cost. Spend only mana produced by Treasures to cast it this way.

You may exile a white card with mana value X from your hand rather than pay this spell's mana cost.

The next X damage that a source of your choice would deal to you and/or creatures you control this turn is dealt to any target instead.