Betrayers of Kamigawa

As an additional cost to cast this spell, sacrifice a creature. Target creature gets -X/-X until end of turn, where X is the sacrificed creature's ...

You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn.

Each enchantment deals 2 damage to its controller, then each Aura attached to a creature deals 2 damage to the creature it's attached to.

You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn.

Each enchantment deals 2 damage to its controller, then each Aura attached to a creature deals 2 damage to the creature it's attached to.

You may exile a black card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets -X/-X until end of turn.

Target creature gets +1/+0 and gains first strike until end of turn. Splice onto Arcane—Tap an untapped white creature you control. (As you cast a...

If you control a Swamp, destroy target nonblack creature. Splice onto Arcane—Exile four cards from your graveyard. (As you cast an Arcane spell, y...

Destroy target legendary creature.

Return target legendary creature card from your graveyard to the battlefield. That creature gains haste. Exile it at the beginning of the next end ...

As an additional cost to cast this spell, sacrifice a creature. Target creature gets -X/-X until end of turn, where X is the sacrificed creature's...

Target creature gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.)...

You may tap or untap target permanent, then you may tap or untap another target permanent.

Target player shuffles up to four target cards from their graveyard into their library.

Counter target instant or sorcery spell. Search its controller's graveyard, hand, and library for all cards with the same name as that spell and ex...

Counter target spell. That spell's controller reveals their hand, then discards each card with the same name as a card spliced onto that spell.

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.

Destroy target attacking creature with power 3 or less.

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...

Exile target enchantment. Search its controller's graveyard, hand, and library for all cards with the same name as that enchantment and exile them....

You gain 3 life. Splice onto Arcane {1}{G} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you d...

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

Target creature gets +4/+4 until end of turn. If it's a Spirit, it gains trample until end of turn.

If you control a Forest, each blocked creature gets +2/+2 until end of turn. Splice onto Arcane—An opponent gains 5 life. (As you cast an Arcane s...