msem-instigator

({T}: Add {G}.)
Isolated Cloister enters the battlefield tapped.
{G}, {T}, Reveal a green card from your hand: You gain 1 life.

Mosecf, the Sunseeker's Path enters the battlefield tapped.
Whenever a creature you control attacks, put a creation counter on Mosecf.
{T}, Remove ten creation counters from Mosecf and sacrifice it: Creatures you control get +2/+2 and gain vigilance until end of turn. Activate only as a sorcery.

Sea Of Skies Beyond enters the battlefield tapped.
Whenever you cast a noncreature spell, put a creation counter on Sea Of Skies Beyond.
{T}, Remove ten creation counters from Sea Of Skies Beyond and sacrifice it: Shuffle your hand into your library, then draw five cards.

Cradle of Corruption enters the battlefield tapped.
Whenever a creature dies, put a creation counter on Cradle of Corruption.
{T}, Remove ten creation counters from Cradle of Corruption and sacrifice it: Put up to two target creature cards from graveyards onto to battlefield under your control. Activate only as a sorcery.

Ralora, Unforgiving Depths enters the battlefield tapped.
Whenever a source deals damage to you, put a creation counter on Ralora.
{T}, Remove ten creation counters from Ralora and sacrifice it: It deals 10 damage to target player or planeswalker.

Elrayin, the Manaroot enters the battlefield tapped.
Whenever you tap another land for mana, put a creation counter on Elrayin.
{T}, Remove ten creation counters from Elrayin and sacrifice it: Untap all lands target player controls.

{T}: Add {C}.
{1}, {T}, Return Collapsing Ground to its owner's hand: Add one mana of any color.

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

Crumbling Vestige enters the battlefield tapped.
When Crumbling Vestige enters the battlefield, add one mana of any color.
{T}: Add {C}.

{T}: Add one mana of any color.
When you tap Derelict Town for mana, return it to its owner's hand.

Desert Temple enters the battlefield tapped. As it does, an opponent of your choice chooses Oasis or Desiccation.
• Oasis — {T}: Add one mana of any color.
• Desiccation — {T}: Add {C}{C}. You lose 1 life.

{T}: Add {C}.
{T}: Add one mana of any color. Activate only if you have a counter.

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.

Whenever a creature you control dies, put a soul counter on Hill of Souls.
{T}: Add {C}.
{T}, Remove a soul counter from Hill of Souls: Add one mana of any color.

{T}: Add {C}.
{T}: Add one mana of any color. Activate only if you've cast a noncreature spell this turn.

{T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.

{T}: Add {C}.
{2}, {T}: Add two mana in any combination of colors.

{T}: Add {C}.
{T}: Add one mana of any color that a basic land you control could produce.

{T}, Discard a card: Add {C}.
Whenever you discard one or more cards, you may pay {2}. If you do, draw a card.

{T}: Add {C}.
{1}{C}{C}, {T}: Return target legendary creature to its owner's hand.

{T}: Add {C}.
{T}: Add {C}{C}. Spend this mana only to cast artifact spells. Activate only if you control three or more artifacts.

{T}: Add {C}.
{T}: Each opponent may draw a card. For each player who does, draw a card.

{T}, Sacrifice Adaptive Terrains: Search your library for a basic land card and put it onto the battlefield tapped, then shuffle.

{T}: Add {C}.
{3}, Discard Ancient Ossuary: Search your library for a land card, reveal it, put it into your hand, then shuffle.

{T}, Pay 1 life, Sacrifice Wayfarer's Shrine: Search your library for a basic land card, put it onto the battlefield, then shuffle.