This land enters tapped. When this land enters, it deals 1 damage to target opponent. {T}: Add {R} or {W}.

This land enters tapped. When this land enters, it deals 1 damage to target opponent. {T}: Add {R} or {G}.

This land enters tapped. {T}: Add one mana of any type that a land you control could produce. {3}: Until end of turn, this land becomes an X/X green Plant creature with reach, where X is the greatest mana value among your commanders. It's still a land.

{T}: Add one mana of any color in your commander's color identity.

This land enters tapped. When this land enters, it deals 1 damage to target opponent. {T}: Add {G} or {W}.

{T}: Add {C}. {T}: This land deals 1 damage to target attacking creature. Activate only during the end of combat step.

This land enters tapped. {T}: Add {R}. Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {G}. Cycling {1}{G} ({1}{G}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {W}. Cycling {1}{W} ({1}{W}, Discard this card: Draw a card.)

{T}: Add {C}. When this land is put into a graveyard from the battlefield, create a 2/2 black Zombie creature token.

{T}: Add {C}. {T}, Pay 1 life: Add {G}. {1}{G}{G}, {T}, Sacrifice a Desert: Target creature gets +3/+3 until end of turn. Activate only as a sorcery.

This land enters tapped. {T}: Add {R}, {G}, or {W}.

{T}: Add {C}. {T}, Sacrifice a creature: Add one mana of any color. {X}{2}, {T}, Sacrifice a Desert: Exile target creature card with mana value X from your graveyard. Create a token that's a copy of it, except it's a 4/4 black Zombie. Activate only as a sorcery.

This land enters tapped. As it enters, choose a color. {T}: Add one mana of the chosen color.

{T}: Add {C}. {T}, Pay 1 life: Add {R}. {2}{R}{R}, {T}, Sacrifice a Desert: This land deals 2 damage to each opponent.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

{T}: Add {C}. {T}, Pay 1 life: Add {W}. {2}{W}{W}, {T}, Sacrifice a Desert: Creatures you control get +1/+1 until end of turn. Activate only as a sorcery.

When this land enters, it deals 1 damage to target player or planeswalker. {T}: Add {C}.

{T}: Add one mana of any color in your commander's color identity.

Colossal Rattlewurm has flash as long as you control a Desert. Trample {1}{G}, Exile this card from your graveyard: Search your library for a Desert card, put it onto the battlefield tapped, then shuffle.

Reach Lands you control and land cards you own that aren't on the battlefield are Deserts in addition to their other types. Lands you control have "{T}: Add one mana of any color." {T}: Mill two cards. You gain 1 life for each land card milled this way.