Whenever equipped creature attacks, you may return a land you control to its owner's hand. If you do, the creature gets +2/+2 until end of turn. Equip {2}
{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast an Ally spell. {1}, {T}, Sacrifice Ally Encampment: Return target Ally you control to its owner's hand.
{T}: Add {C}. {3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
Canopy Vista enters tapped unless you control two or more basic lands.
The continent of Murasa lies beneath a blanket of dense vegetation, its enormous branches tangled so thickly that some inhabitants never see the ground.
Fertile Thicket enters tapped. When Fertile Thicket enters, you may look at the top five cards of your library. If you do, reveal up to one basic land card from among them, then put that card on top of your library and the rest on the bottom in any order. {T}: Add {G}.
Lumbering Falls enters tapped. {T}: Add {G} or {U}. {2}{G}{U}: Lumbering Falls becomes a 3/3 green and blue Elemental creature with hexproof until end of turn. It's still a land.
{T}: Add {C}. Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.
Shambling Vent enters tapped. {T}: Add {W} or {B}. {1}{W}{B}: Shambling Vent becomes a 2/3 white and black Elemental creature with lifelink until end of turn. It's still a land.
{T}: Add {C}. {T}: Add {C}{C}. Spend this mana only to cast colorless spells. Activate only if you control seven or more lands.
The gods known to the merfolk as Ula, Emeria, and Cosi were nothing more than false memories of a monstrous trinity: the Eldrazi titans Ulamog, Emrakul, and Kozilek.
Skyline Cascade enters tapped. When Skyline Cascade enters, target creature an opponent controls doesn't untap during its controller's next untap step. {T}: Add {U}.