Spend only black and/or red mana on X.
Soul Burn deals X damage to any target. You gain life equal to the damage dealt, but not more than the amount of spent on X, the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Destroy target nonblack creature. It can't be regenerated.

Haste
: Return this card from your graveyard to the battlefield. Activate only during your upkeep and only if three or more creature cards are above this card.

: Look at the top five cards of your library, put one of them into your hand, and exile the rest.

: Target creature gets +2/+2 until end of turn. When that creature leaves the battlefield this turn, sacrifice this creature. Activate only during combat.

Enchant creature
At the beginning of your upkeep, sacrifice this Aura unless you pay .
You control enchanted creature.
Enchanted creature gets +0/+1.

, , Sacrifice a creature: This artifact deals 2 damage to any target.

Defender (This creature can't attack.)
Drift of the Dead's power and toughness are each equal to the number of snow lands you control.

: This creature gets +1/-1 until end of turn.
: Switch this creature's power and toughness until end of turn.

Trample
Whenever this creature attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

, Exile a creature card from your graveyard: Create a 3/1 black and red Graveborn creature token with haste. Sacrifice it at the beginning of the next end step.

At end of combat, if this creature attacked or blocked this combat, put a -0/-1 counter on this creature and create a 0/1 white Deserter creature token.

Shroud (This creature can't be the target of spells or abilities.)

You may exile a green card from your hand rather than pay this spell's mana cost.
Distribute three +1/+1 counters among one, two, or three target creatures. For each +1/+1 counter you put on a creature this way, remove a +1/+1 counter from that creature at the beginning of the next cleanup step.

You may exile a white card from your hand rather than pay this spell's mana cost.
Prevent the next 7 damage that would be dealt to any target this turn. If it's a creature, put a +0/+1 counter on it for each 1 damage prevented this way at the beginning of the next end step.

Flying
, Exile the top card of your library: Tap target creature with flying.
, Exile the top card of your library: If the exiled card is a snow land, this creature gets +1/+1 until end of turn.