Nemesis

All creatures get +X/-X until end of turn.

{R}{R}: Target creature gets +1/-1 until end of turn.

{1}{B}, Discard a creature card: Volrath the Fallen gets +X/+X until end of turn, where X is the discarded card's mana value.

{1}{B}{B}, {T}: Destroy target tapped nonblack creature. {3}, {T}: Search your library for a Mercenary permanent card with mana value 3 or less, pu...

Fading 5 (This enchantment enters the battlefield with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If...

{B}{B}, Pay half your life, rounded up: Destroy target nonblack creature. It can't be regenerated.

{1}{B}, {T}, Discard a card: Choose a card name. Exile the top six cards of your library, then reveal cards from the top of your library until you ...

When Death Pit Offering enters the battlefield, sacrifice all creatures you control. Creatures you control get +2/+2.

Flying (This creature can't be blocked except by creatures with flying or reach.) Other black creatures get +1/+1. Nonblack creatures get -1/-1.

{3}{U}: Return Sliptide Serpent to its owner's hand.

{3}, {T}: Search your library for a Merfolk permanent card, put it onto the battlefield, then shuffle.

{U}: Rootwater Thief gains flying until end of turn. Whenever Rootwater Thief deals combat damage to a player, you may pay {2}. If you do, search ...

Lands don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player untaps a land they control.

Fading 5 (This enchantment enters the battlefield with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If...

Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type.

Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever Blinding Angel deals combat damage to a player, that pl...

Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay {1}.

Creatures and lands you control have shroud. (They can't be the targets of spells or abilities.) When a creature you control attacks, sacrifice Sp...

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost. All damage that would be dealt to ta...

{2}{W}, {T}, Discard a card: Exile target attacking creature. Its controller gains life equal to its toughness.

Fading 5 (This enchantment enters the battlefield with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If...

{T}: All damage that would be dealt to target creature this turn by a source of your choice is dealt to Oracle's Attendants instead.

{T}: Add {C}. {4}, {T}, Sacrifice a land: Rath's Edge deals 1 damage to any target.

{T}: Add {C}. {1}{W}, {T}: Prevent all combat damage that would be dealt by target attacking creature this turn.