Spooky20

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {T}, Sacrifice a creature: You gain 1 life.

Lonely Sandbar enters the battlefield tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

{T}: Add {C}. {1}, {T}: Untap target land.

{T}: Add {C}. {T}, Sacrifice Archaeological Dig: Add one mana of any color.

Grand Coliseum enters the battlefield tapped. {T}: Add {C}. {T}: Add one mana of any color. Grand Coliseum deals 1 damage to you.

Hickory Woodlot enters the battlefield tapped with two depletion counters on it. {T}, Remove a depletion counter from Hickory Woodlot: Add {G}{G}. ...

{1}, {T}: Add {U}{B}.

Ancient Spring enters the battlefield tapped. {T}: Add {U}. {T}, Sacrifice Ancient Spring: Add {W}{B}.

{T}: Add {C}. {1}{R}, {T}: Target Goblin creature gets +2/+0 until end of turn.

{T}: Add {C}. {5}, {T}: Add {W}{U}{B}{R}{G}.

{T}: Add {C}. {2}, {T}: Add one mana of any color.

{T}: Add {U}. Cephalid Coliseum deals 1 damage to you. Threshold — {U}, {T}, Sacrifice Cephalid Coliseum: Target player draws three cards, then dis...

Forgotten Cave enters the battlefield tapped. {T}: Add {R}. Cycling {R} ({R}, Discard this card: Draw a card.)

Fountain of Cho enters the battlefield tapped. {T}: Put a storage counter on Fountain of Cho. {T}, Remove any number of storage counters from Fount...

{T}: Add {G}. Centaur Garden deals 1 damage to you. Threshold — {G}, {T}, Sacrifice Centaur Garden: Target creature gets +3/+3 until end of turn. A...

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {3}, {T}, Sacrifice a land: Destroy target nonbasic land.

{T}: Add {C}. {W}, {T}: Target Soldier creature gets +1/+1 until end of turn.

{T}: Add {B}. Cabal Pit deals 1 damage to you. Threshold — {B}, {T}, Sacrifice Cabal Pit: Target creature gets -2/-2 until end of turn. Activate on...

({T}: Add {B}.)

({T}: Add {U}.)

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Hideaway (This land enters the battlefield tapped. When it does, look at the top four cards of your library, exile one face down, then put the rest...