Rain of Filth

Until end of turn, lands you control gain “Sacrifice this land: Add .”

Contamination

At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature.
If a land is tapped for mana, it produces instead of any other type and amount.

Killer Whale

: Killer Whale gains flying until end of turn.

Warrior en-Kor

: The next 1 damage that would be dealt to Warrior en-Kor this turn is dealt to target creature you control instead.

Polluted Mire

Polluted Mire enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

Slippery Karst

Slippery Karst enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

Contamination

At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature.
If a land is tapped for mana, it produces instead of any other type and amount.

Sunder

Return all lands to their owners’ hands.

Volrath’s Dungeon

Pay 5 life: Destroy Volrath’s Dungeon. Any player may activate this ability but only during their turn.
Discard a card: Target player puts a card from their hand on top of their library. Activate only as a sorcery.

Polluted Mire

Polluted Mire enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

Slippery Karst

Slippery Karst enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

Slippery Karst

Slippery Karst enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

Polluted Mire

Polluted Mire enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

Sandstone Warrior

First strike (This creature deals combat damage before creatures without first strike.)
: Sandstone Warrior gets +1/+0 until end of turn.

Manabond

At the beginning of your end step, you may reveal your hand and put all land cards from it onto the battlefield. If you do, discard your hand.

Stalking Stones

: Add .
: Stalking Stones becomes a 3/3 Elemental artifact creature that’s still a land. (This effect lasts indefinitely.)

Hammerhead Shark

Hammerhead Shark can’t attack unless defending player controls an Island.

Killer Whale

: Killer Whale gains flying until end of turn.

Warrior en-Kor

: The next 1 damage that would be dealt to Warrior en-Kor this turn is dealt to target creature you control instead.

Spike Hatcher

Spike Hatcher enters with six +1/+1 counters on it.
, Remove a +1/+1 counter from Spike Hatcher: Put a +1/+1 counter on target creature.
, Remove a +1/+1 counter from Spike Hatcher: Regenerate Spike Hatcher.