As an additional cost to cast this spell, discard a card at random.
Acceptable Losses deals 5 damage to target creature.

, : This creature deals 1 damage to any target.
Threshold — , : This creature deals 2 damage to any target. Activate only if there are seven or more cards in your graveyard.

When this creature dies, each player discards their hand.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
: This creature gets +1/+1 until end of turn.

Flying
Your maximum hand size is reduced by four.

Enchant land
Enchanted land has ", Discard a card: Gain control of target creature until end of turn."

Threshold — This creature gets +7/+7 as long as there are seven or more cards in your graveyard.

Whenever a creature attacks, flip a coin. If you win the flip, the next time that creature would deal combat damage this turn, it deals double that damage instead. If you lose the flip, the next time that creature would deal combat damage this turn, prevent that damage.

Create a 3/3 green Elephant creature token.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying (This creature can't be blocked except by creatures with flying or reach.)
When this creature enters, destroy target enchantment.

If a black source would deal damage to you, prevent 2 of that damage.

Scorching Missile deals 4 damage to target player or planeswalker.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

, : Target creature gets +2/+2 until end of turn.

Return target permanent to its owner's hand.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When this creature enters, you may return target creature card from your graveyard to your hand.

Destroy target land.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

: Put a fuse counter on target creature.
At the beginning of your upkeep, put a fuse counter on each creature with a fuse counter on it.
Whenever a creature has four or more fuse counters on it, remove all fuse counters from it and destroy it. That creature deals 4 damage to its controller.

Haste
If this card is in a graveyard, effects from spells named Flame Burst count it as a card named Flame Burst.

: Tap target creature without flying.

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.
: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

If damage would be dealt to you, exile that many cards from your graveyard instead. If you can't, you lose the game.
If you would gain life, draw that many cards instead.
When this enchantment leaves the battlefield, you lose the game.

, : Put a mine counter on target land.
Whenever a land with a mine counter on it becomes tapped, destroy it.
When this creature leaves the battlefield, remove all mine counters from all lands.

Return target creature card from your graveyard to the battlefield.

, Discard a card: Regenerate this creature.
Threshold — As long as there are seven or more cards in your graveyard, this creature gets +2/+2 and can't block.

If a red source would deal damage to you, prevent 2 of that damage.

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

First strike
Discard a card: This creature gains protection from the color of your choice until end of turn.

If damage would be dealt to you, put that many delay counters on this enchantment instead.
At the beginning of your upkeep, remove all delay counters from this enchantment. For each delay counter removed this way, you lose 1 life unless you pay .

If a blue source would deal damage to you, prevent 2 of that damage.

: This creature gets +0/+1 until end of turn.
: This creature can block an additional creature this turn.

Whenever you win a coin flip, put a luck counter on this enchantment.
At the beginning of your upkeep, if this enchantment has ten or more luck counters on it, you win the game.

Plainswalk (This creature can't be blocked as long as defending player controls a Plains.)
Whenever this creature deals combat damage to a player, you may have target land become a Plains until this creature leaves the battlefield.

: This creature deals damage to target creature equal to the damage already dealt to it this turn.

Destroy target artifact or enchantment.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature
Enchanted creature gets +2/-2.
Threshold — Enchanted creature gets an additional +2/-2 as long as there are seven or more cards in your graveyard.

If a green source would deal damage to you, prevent 2 of that damage.