As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, Blood Crypt enters the battlefield tapped.

Rakdos Guildgate enters the battlefield tapped.
: Add or to your mana pool.

First strike, haste
Whenever a player casts a spell from a graveyard, Ash Zealot deals 3 damage to that player.

Unleash

Mizzium Mortars deals 4 damage to target creature you don't control.
Overload

Haste

: Exile target land card from a graveyard. Add one mana of any color to your mana pool.
, : Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.
, : Exile target creature card from a graveyard. You gain 2 life.

Whenever Boros Reckoner is dealt damage, it deals that much damage to target creature or player.
: Boros Reckoner gains first strike until end of turn.

: Target blocking creature gets -1/-1 until end of turn.
: Target player who lost life this turn loses 1 life.

Destroy target creature or planeswalker.

Equipped creature gets +1/+0 for each of its colors.
Equip

Flying
At the beginning of each combat, any opponent may sacrifice a creature. If a player does, tap Desecration Demon and put a +1/+1 counter on it.

Gain control of target creature until end of turn. Untap that creature. Until end of turn it gets +2/+0 and gains haste.

Annihilating Fire deals 3 damage to target creature or player. If a creature dealt damage this way would die this turn, exile it instead.

Enchant Land
Enchanted Land has ", Pay 1 life : Draw a card"

Enchant creature
Enchanted creature gets -2/-2.
At the beginning of the upkeep of enchanted creature's controller, that player loses 2 life.

Rakdos's Return deals X damage to target opponent. That player discards X cards.

Unleash

Pack Rat's power and toughness are each equal to the number of Rats you control.
, Discard a card : Put a token onto the battlefield that's a copy of Pack Rat.

: Add or to your mana pool.
: Until end of turn, Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike.

Slaughter Games can't be countered by spells or abilities.
Name a nonland card. Search target opponent's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles his or her library.