As long as Kaervek's Torch is on the stack, spells that target it cost more to cast.
Kaervek's Torch deals X damage to any target.

Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

Destroy target artifact.
Fuse (You may cast one or both halves of this card from your hand.)

Whenever this creature attacks, it deals 1 damage to the player or planeswalker it's attacking.

Each player may search their library for up to X basic land cards and put them onto the battlefield tapped. Then each player who searched their library this way shuffles.

: Regenerate this creature.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Battalion — Whenever this creature and at least two other creatures attack, this creature gets +2/+2 until end of turn.

Exile target creature you control, then return that card to the battlefield under its owner's control with a +1/+1 counter on it.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)
Tap target permanent.

Creatures you control get +1/+1 until end of turn.

: Add . This creature deals 1 damage to you.

Enchant creature or planeswalker you control
When enchanted permanent dies or is put into exile, return that card to the battlefield under your control.

When an opponent plays a nonbasic land, if this permanent is an enchantment, it becomes a 3/3 Beast creature.

: Look at the top three cards of your library, then put them back in any order.
: Draw a card, then put this artifact on top of its owner's library.

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-2
2/2
Flying
LEVEL 3+
4/2
Flying

Counter target instant spell.

Equipped creature has ", Unattach Shuriken: Shuriken deals 2 damage to target creature. That creature's controller gains control of Shuriken unless it was unattached from a Ninja."
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Reckless Rage deals 4 damage to target creature you don't control and 2 damage to target creature you control.

Sacrifice this enchantment: It deals 2 damage to any target.

: Target player mills a card. (They put the top card of their library into their graveyard.)
, , Sacrifice this artifact: Return target card from your graveyard to your hand.

Equipped creature gets +1/+1 and has trample and lifelink.
: Permanents your opponents control lose hexproof and indestructible until end of turn.
Equip

Equipped creature gets +2/+2 and can't block.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Switch target creature's power and toughness until end of turn.
Draw a card.

Add , then add for each card named Rite of Flame in each graveyard.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
This creature gets +3/+0 as long as you have the city's blessing.

Target creature gets +2/-2 until end of turn.

Look at target opponent's hand.
Draw a card.

Target creature gets +2/+1 and gains trample until end of turn.

Target opponent chooses a card in your graveyard. You may pay . If you do, repeat this process except that opponent can't choose a card already chosen for Shrouded Lore. Then put the last chosen card into your hand.

Target creature gains flying until end of turn.

As an additional cost to cast this spell, discard a land card.
Draw two cards.

Target player discards a card.
Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Kicker (You may pay an additional as you cast this spell.)
Destroy target creature or planeswalker with mana value 2 or less. If this spell was kicked, instead destroy target creature or planeswalker.

Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.

Target creature gets +2/+2 until end of turn. If it's an enchanted creature or enchantment creature, it also gains hexproof and indestructible until end of turn. (It can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)