Momentum

Enchant creature
At the beginning of your upkeep, you may put a growth counter on Momentum.
Enchanted creature gets +1/+1 for each growth counter on Momentum.

Ravenous Rats

When Ravenous Rats enters the battlefield, target opponent discards a card.

Drudge Skeletons

: Regenerate Drudge Skeletons. (The next time this creature would be destroyed this turn, it isn’t. Instead tap it, remove all damage from it, and remove it from combat.)

Expendable Troops

, Sacrifice Expendable Troops: It deals 2 damage to target attacking or blocking creature.

Treacherous Link

Enchant creature
All damage that would be dealt to enchanted creature is dealt to its controller instead.

Vile Requiem

At the beginning of your upkeep, you may put a verse counter on Vile Requiem.
, Sacrifice Vile Requiem: Destroy up to X target nonblack creatures, where X is the number of verse counters on Vile Requiem. They can’t be regenerated.

Bog Raiders

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

Drifting Djinn

Flying
At the beginning of your upkeep, sacrifice Drifting Djinn unless you pay .
Cycling (, Discard this card: Draw a card.)

Exhume

Each player puts a creature card from their graveyard onto the battlefield.

No Rest for the Wicked

Sacrifice No Rest for the Wicked: Return to your hand all creature cards in your graveyard that were put there from the battlefield this turn.

No Rest for the Wicked

Sacrifice No Rest for the Wicked: Return to your hand all creature cards in your graveyard that were put there from the battlefield this turn.

Bog Raiders

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

Discordant Dirge

At the beginning of your upkeep, you may put a verse counter on Discordant Dirge.
, Sacrifice Discordant Dirge: Look at target opponent’s hand and choose up to X cards from it, where X is the number of verse counters on Discordant Dirge. That player discards those cards.

Wildfire

Each player sacrifices four lands. Wildfire deals 4 damage to each creature.

Gallowbraid

Trample
Cumulative upkeep—Pay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Morinfen

Flying
Cumulative upkeep—Pay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)