Whenever a player casts a spell, they may pay . If the player does, they draw a card at the beginning of the next end step.

Destroy target creature or planeswalker. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.

Indestructible
As long as your devotion to red is less than five, Purphoros isn't a creature.
Other creatures you control have haste.
: You may put a red creature card or an artifact creature card from your hand onto the battlefield. Sacrifice it at the beginning of the next end step.

Devoid (This card has no color.)
Kicker (You may pay an additional as you cast this spell.)
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.

When you cast this spell, you may return target Angel or Human creature card from your graveyard to the battlefield.
Flying, vigilance
(Melds with Gisela, the Broken Blade.)

+2: You gain 1 life for each creature you control.
−3: Creatures you control get +2/+2 until end of turn.
−9: Put X +1/+1 counters on target creature, where X is your life total.

: This creature gets +1/+0 until end of turn.
Whenever this creature enters or attacks, it deals 3 damage divided as you choose among one, two, or three targets.

Flying, lifelink, haste

When Mjölnir enters, attach it to target legendary creature you control.
Whenever equipped creature attacks, tap target creature defending player controls and put a stun counter on it. Then Mjölnir deals damage to each opponent equal to the number of tapped creatures that opponent controls.
Equip

Midnight Entity — Whenever this Vehicle attacks, defending player faces a villainous choice — That player sacrifices a creature of their choice, or you gain control of a creature of your choice that player controls until end of turn. If you gain control of a creature this way, tap it, and it's attacking that player.
Crew 2

Deathtouch
Whenever this creature enters or attacks, create two 2/2 black Zombie creature tokens.

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As this land enters, you may pay 2 life. If you don't, it enters tapped.

When Yukora leaves the battlefield, sacrifice all non-Ogre creatures you control.

Flying
This creature gets +2/+2 for each Aura attached to it.
: Return this card from your graveyard to the battlefield. You may put an Aura card with mana value X or less from your hand onto the battlefield attached to it. If you don't, exile this creature.

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Counter target red or green spell.

Crackle with Power deals five times X damage to each of up to X targets.

Protection from black
This creature gets +1/+1 for each Swamp your opponents control.

Enchant creature
Enchanted creature can attack as though it had haste.
: Untap enchanted creature. Activate only during your turn and only once each turn.

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