Nemesis

Target creature gets +1/-1 and gains haste until end of turn.

Each player loses 1 life for each creature they control.

If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost. Each player exiles two cards from their hand.

You may return an Island you control to its owner's hand rather than pay this spell's mana cost. Counter target spell unless its controller pays {1}.

Draw a card, then draw cards equal to the number of cards named Accumulated Knowledge in all graveyards.

{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.

As Overlaid Terrain enters the battlefield, sacrifice all lands you control. Lands you control have "{T}: Add two mana of any one color."

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost. Enchant creature Enchanted creature...

All creatures get +X/-X 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.

If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost. All creatures get -2/-2 until end o...

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

As Belbe's Portal enters the battlefield, choose a creature type. {3}, {T}: You may put a creature card of the chosen type from your hand onto the...

{1}, Discard a card: Create a 1/1 green Saproling creature token. Any player may activate this ability.

Defender (This creature can't attack.) {1}{B}: Regenerate Carrion Wall.

Fading 4 (This creature enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If yo...

{X}, {T}: Target creature gets -X/+X until end of turn.

{3}, {T}, Sacrifice a creature: Reveal a number of cards from the top of your library equal to the sacrificed creature's power. Put one into your h...

Sacrifice a creature. Rupture deals damage equal to that creature's power to each creature without flying and each player.

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

If an opponent controls an Island and you control a Mountain, you may cast this spell without paying its mana cost. Destroy target artifact.

You may sacrifice a Mountain rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn, where X is the number of Mounta...

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