Artista: Daarken

When Marshdrinker Giant enters the battlefield, destroy target Island or Swamp an opponent controls.

: Add .
, : Add , , or .

Chroma — Umbra Stalker’s power and toughness are each equal to the number of black mana symbols in the mana costs of cards in your graveyard.

Wither (This deals damage to creatures in the form of -1/-1 counters.)
At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

Trample
Whenever Spawnwrithe deals combat damage to a player, create a token that’s a copy of Spawnwrithe.

: Loch Korrigan gets +1/+1 until end of turn.

Flying
Wither (This deals damage to creatures in the form of -1/-1 counters.)
Creatures your opponents control with counters on them can’t attack or block.

Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

Search your library for a card, put that card into your hand, then shuffle your library.

Each player loses 1 life for each creature they control.

Swampwalk (This creature can’t be blocked as long as defending player controls a Swamp.)

Swampwalk (This creature can’t be blocked as long as defending player controls a Swamp.)

When a nonblack creature enters the battlefield, sacrifice Grave Peril. If you do, destroy that creature.

Search target player’s library for a card and exile it. Then that player shuffles their library.
Gravestorm (When you cast this spell, copy it for each permanent put into a graveyard this turn. You may choose new targets for the copies.)

Korlash, Heir to Blackblade’s power and toughness are each equal to the number of Swamps you control.
: Regenerate Korlash.
Grandeur — Discard another card named Korlash, Heir to Blackblade: Search your library for up to two Swamp cards, put them onto the battlefield tapped, then shuffle your library.