As an additional cost to cast this spell, sacrifice a creature or planeswalker.
Heartfire deals 4 damage to any target.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Target creature gets +2/+2 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Defender
: This creature deals 1 damage to each opponent.
Whenever you cast an instant or sorcery spell, untap this creature.

: Target creature you control gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

When this creature enters, discard a card.

Return target creature to its owner's hand. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Return up to two target creature cards from your graveyard to your hand, then discard a card.

Flying
: This creature gets +1/+0 until end of turn.

Put a +1/+1 counter on target creature. That creature gains first strike until end of turn. You gain 2 life. (A creature with first strike deals combat damage before creatures without first strike.)

When this creature dies, target opponent discards a card at random.

Discard two cards: Create a 2/2 black Zombie creature token.

Create two 1/1 red Goblin creature tokens.

When this creature dies, it deals 2 damage to any target.

As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
Draconic Roar deals 3 damage to target creature. If you revealed a Dragon card or controlled a Dragon as you cast this spell, Draconic Roar deals 3 damage to that creature's controller.

Dragon spells you cast cost less to cast.

When this creature enters, if you control another Elf, create a 1/1 green Elf Warrior creature token.

Deathtouch
When this creature enters, mill two cards and you gain 2 life. (To mill a card, put the top card of your library into your graveyard.)

Flying
: Target attacking or blocking creature gets +1/+1 until end of turn.

: Draw two cards.

Spitting Earth deals damage to target creature equal to the number of Mountains you control.

At the beginning of combat on your turn, if you control another creature with power 4 or greater, put a +1/+1 counter on this creature.

Whenever this creature attacks, it gets +2/+0 until end of turn.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Return target creature you control and target creature you don't control to their owners' hands.

When this creature dies, each player draws a card.

When this creature enters, create a 1/1 red Goblin creature token.

Create two 1/1 white Soldier creature tokens.

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature gets +1/+2.

As an additional cost to cast this spell, reveal an Elf card from your hand or pay .
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

When this creature enters, target creature can't block this turn.

Equipped creature gets +2/+2.
As long as equipped creature has defender, it can attack as though it didn't have defender.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Target land you control becomes a 4/4 Elemental creature with haste until end of turn. It's still a land. It must be blocked this turn if able.

: Add .