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Witch's Cottage enters the battlefield tapped unless you control three or more other Swamps.
When Witch's Cottage enters the battlefield untapped, you may put target creature card from your graveyard on top of your library.

, Sacrifice a creature: Create a Food token. If the sacrificed creature's toughness was 4 or greater, create two Food tokens instead. (They're artifacts with ", , Sacrifice this artifact: You gain 3 life.")

Creatures of the creature type of your choice get -3/-3 until end of turn.

When Witching Well enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
, Sacrifice Witching Well: Draw two cards.

Create three 1/1 green Boar creature tokens with "When this creature dies, create a Food token." (A Food token is an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Artifact creatures you control have flying.
At the beginning of combat on your turn, you may have target noncreature artifact you control become a 0/0 artifact creature. If you do, put four +1/+1 counters on it.

Whenever you cast a Knight spell, create a 1/1 white Human creature token.

Yorvo, Lord of Garenbrig enters the battlefield with four +1/+1 counters on it.
Whenever another green creature enters the battlefield under your control, put a +1/+1 counter on Yorvo. Then if that creature's power is greater than Yorvo's power, put another +1/+1 counter on Yorvo.

First strike