Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

: Regenerate Albino Troll.

: 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.)

Create a 4/4 green Beast creature token.

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

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

: Regenerate Drudge Skeletons. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Enchant creature

Enchanted creature gets +3/+3.

When enchanted creature dies, create a 3/3 green Elephant creature token.

Flying

Discard Faerie Macabre: Exile up to two target cards from graveyards.

Enchant Forest

: Enchanted Forest becomes a 4/4 green Spirit creature until end of turn. It's still a land.

When enchanted Forest is put into a graveyard, you may return Genju of the Cedars from your graveyard to your hand.

, : Target player discards two cards. Activate only as a sorcery.

Channel — , Discard Ghost-Lit Stalker: Target player discards four cards. Activate only as a sorcery.

Draw three cards.

Flying

When Howling Banshee enters, each player loses 3 life.

When Indrik Stomphowler enters, destroy target artifact or enchantment.

Flying

When Keening Banshee enters, target creature gets -2/-2 until end of turn.

Enchant creature

Enchanted creature is a Treefolk with base power and toughness 0/4 and loses all abilities.

All creatures get -1/-1 until end of turn for each Swamp you control.

Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Enchant creature

Enchanted creature gets +2/+0 and has trample.

When Rancor is put into a graveyard from the battlefield, return Rancor to its owner's hand.

When Ravenous Rats enters, target opponent discards a card.

Choose one —

• Untap all lands you control.

• Until end of turn, lands you control become 2/2 creatures that are still lands.

Entwine (Choose both if you pay the entwine cost.)

Target player draws two cards and loses 2 life.

Slippery Karst enters tapped.

: Add .

Cycling (, Discard this card: Draw a card.)

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

At the beginning of your upkeep, return a green creature you control to its owner's hand.

Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.

: Regenerate Twisted Abomination. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Flying (This creature can't be blocked except by creatures with flying or reach.)

: Vampire Bats gets +1/+0 until end of turn. Activate no more than twice each turn.

Defender (This creature can't attack.)

: Add .

Discard a card: Wild Mongrel gets +1/+1 and becomes the color of your choice until end of turn.

Whenever a Beast enters, you may draw a card.