msem-instigator

{T}: Add one mana of any color. If you control another nonbasic land, Abandoned Monument doesn't untap at the beginning of your next untap step.

({T}: Add {U} or {R}.)
Whenever Crystal Cavern becomes tapped, you lose 1 life unless you control two or more basic lands.

({T}: Add {G} or {U}.)
Lush Oasis enters the battlefield tapped unless you control a basic Forest or a basic Island.

{T}: Add {C}.
{3}, {T}: Aetherize target permanent you control. Activate only as a sorcery. (To aetherize, create a token that's a copy of it, then exile that token.)

Vanishing 5 (This permanent enters the battlefield with five time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
The High Prairies enters the battlefield tapped.
{T}: Add one mana of any color.