Skulk (This creature can't be blocked by creatures with greater power.)

Whenever Wharf Infiltrator deals combat damage to a player, you may draw a card. If you do, discard a card.

Whenever you discard a creature card, you may pay . If you do, create a 3/2 colorless Eldrazi Horror creature token.

Equipped creature gets +2/+0.

Whenever equipped creature deals combat damage to a player, you may cast a creature spell from that player's graveyard this turn, and you may spend mana as though it were mana of any color to cast that spell.

Equip

Wing Storm deals damage to each player equal to twice the number of creatures that player controls with flying.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Withering Wisps.

: Withering Wisps deals 1 damage to each creature and each player. Activate no more times each turn than the number of snow Swamps you control.

Whenever equipped creature deals combat damage to a player, destroy all permanents other than Worldslayer.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Flying

Whenever an opponent draws a card except the first one they draw in each of their draw steps, create a 1/1 green Snake creature token.

Whenever Xyris, the Writhing Storm deals combat damage to a player, you and that player each draw that many cards.

Whenever an opponent draws their first card each turn, if it's not their turn, you create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

Whenever one or more Devils you control attack one or more players, you and those players each draw a card, then discard a card at random.