Bottled Cloister

Extort (Whenever you cast a spell, you may pay W/B. If you do, each opponent loses 1 life and you gain that much life.) Whenever you tap a Swamp for mana, add an additional B.

(T: Add R or G.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Extort (Whenever you cast a spell, you may pay W/B. If you do, each opponent loses 1 life and you gain that much life.) Artifacts and creatures your opponents control enter tapped.

T: Add C. 2, T: This land becomes a copy of target land, except it has this ability.

Return up to three target land cards from your graveyard to your hand. 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.)

Defender (This creature can't attack.) Flying Transmute 1UU (1UU, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Battalion — Whenever this creature and at least two other creatures attack, this creature gets +2/+2 until end of turn.

When this creature dies, search your library for any number of creature cards with total mana value 6 or less, put them onto the battlefield, then shuffle.