: Add .
: Add or . Activate only if you control a Swamp.

, : Add for each Swamp you control.

: Add .
: Add or . Activate only if you control a Swamp.

: Add .
: Add or . Activate only if you control a Swamp.

: Add .
: Add or . Activate only if you control a Swamp.

Discard a card: Putrid Imp gains flying until end of turn.
Threshold — As long as seven or more cards are in your graveyard, Putrid Imp gets +1/+1 and can't block.

Draw four cards, then choose X cards in your hand and discard the rest.

Enchant creature
Enchanted creature gets +1/+0.
Sacrifice Crackling Club: It deals 1 damage to target creature.

, , Exile two cards from your graveyard: Grim Lavamancer deals 2 damage to any target.

Enchant green or white creature
Enchanted creature has "At the beginning of your upkeep, sacrifice this creature unless you discard a card."

: Basking Rootwalla gets +2/+2 until end of turn. Activate only once each turn.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flaming Gambit deals X damage to target player or planeswalker. That player or that planeswalker's controller may choose a creature they control and have Flaming Gambit deal that damage to it instead.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever Carrion Rats attacks or blocks, any player may exile a card from their graveyard. If a player does, Carrion Rats assigns no combat damage this turn.

As an additional cost to cast this spell, discard X cards.
Return X target creature cards from your graveyard to your hand.

, Sacrifice Enslaved Dwarf: Target black creature gets +1/+0 and gains first strike until end of turn.

Reveal a card in your hand, then put that card onto the battlefield if it has the same name as a permanent.

Prevent all damage a source of your choice would deal this turn.

As an additional cost to cast this spell, discard a card at random.
Sonic Seizure deals 3 damage to any target.

Draw a card.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Target player shuffles up to four target cards from their graveyard into their library.

The next instant or sorcery spell you cast this turn can't be countered.
Draw a card.

The next creature spell you cast this turn can't be countered.
Draw a card.

Add .
Threshold — Add instead if seven or more cards are in your graveyard.

Enchant creature
When Stupefying Touch enters, draw a card.
Enchanted creature's activated abilities can't be activated.

Flying
Threshold — As long as seven or more cards are in your graveyard, Boneshard Slasher gets +2/+2 and has "When Boneshard Slasher becomes the target of a spell or ability, sacrifice it."

Whenever Cephalid Illusionist becomes the target of a spell or ability, mill three cards.
, : Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.

When Mesmeric Fiend enters, target opponent reveals their hand and you choose a nonland card from it. Exile that card.
When Mesmeric Fiend leaves the battlefield, return the exiled card to its owner's hand.

Discard a card: Switch Aquamoeba's power and toughness until end of turn.

Target player sacrifices a creature of their choice.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Reach (This creature can block creatures with flying.)
Threshold — Seton's Scout gets +2/+2 as long as seven or more cards are in your graveyard.

, Discard a card: Prevent the next 3 damage that would be dealt to any target this turn.
, Sacrifice Hypochondria: Prevent the next 3 damage that would be dealt to any target this turn.

As an additional cost to cast this spell, discard X cards.
Exile X target attacking creatures.

If any source would deal 1 or more damage to a permanent or player this turn, it deals 2 damage to that permanent or player instead.
Draw a card.

Flying
Threshold — As long as seven or more cards are in your graveyard, Mystic Familiar gets +1/+1 and has protection from black.

Sacrifice Cephalid Snitch: Target creature loses protection from black until end of turn.

When you control no Swamps, sacrifice Barbarian Outcast.