Dredge (No Mana)

Flying

When Ashen Rider enters the battlefield or dies, exile target permanent.

{T}: Draw two cards, then discard three cards.

Whenever a nontoken creature is put into your graveyard from the battlefield, if Bridge from Below is in your graveyard, create a 2/2 black Zombie creature token.

When a creature is put into an opponent's graveyard from the battlefield, if Bridge from Below is in your graveyard, exile Bridge from Below.

Choose a nonland card name. Target player reveals their hand and discards all cards with that name.

Flashback—Sacrifice a creature. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target creature card from your graveyard to the battlefield.

Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Vigilance

Other creatures you control get +2/+2.

Creatures your opponents control get -2/-2.

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost.

Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

({U/P} can be paid with either {U} or 2 life.)

Look at target player's hand.

Draw a card.

Golgari Grave-Troll enters the battlefield with a +1/+1 counter on it for each creature card in your graveyard.

{1}, Remove a +1/+1 counter from Golgari Grave-Troll: Regenerate Golgari Grave-Troll.

Dredge 6 (If you would draw a card, you may mill six cards instead. If you do, return this card from your graveyard to your hand.)

When Golgari Thug dies, put target creature card from your graveyard on top of your library.

Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)

This spell costs {2} less to cast for each card you've cycled or discarded this turn.

Cycling {2} ({2}, Discard this card: Draw a card.)

Haste

At the beginning of the end step, sacrifice Ichorid.

At the beginning of your upkeep, if Ichorid is in your graveyard, you may exile a black creature card other than Ichorid from your graveyard. If you do, return Ichorid to the battlefield.

({U/P} can be paid with either {U} or 2 life.)

Counter target spell with mana value 1.

Flying

When Narcomoeba is put into your graveyard from your library, you may put it onto the battlefield.

Whenever a creature enters the battlefield, if it entered from your graveyard or you cast it from your graveyard, return Prized Amalgam from your graveyard to the battlefield tapped at the beginning of the next end step.

{T}: Add {C}.

Any time you could mulligan and Serum Powder is in your hand, you may exile all the cards from your hand, then draw that many cards. (You can do this in addition to taking mulligans.)

Sacrifice Shambling Shell: Put a +1/+1 counter on target creature.

Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Flying

Whenever Stinkweed Imp deals combat damage to a creature, destroy that creature.

Dredge 5 (If you would draw a card, you may mill five cards instead. If you do, return this card from your graveyard to your hand.)

You may exile a black card from your hand rather than pay this spell's mana cost.

Target player reveals their hand. You choose a nonland card from it. That player discards that card.