msem-instigator

Abandoned Laboratory enters tapped if you control another nonbasic land.
{T}: Add {W} or {B}.

Abandoned Meadow enters tapped if you control another nonbasic land.
{T}: Add {R} or {G}.

{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.

Abandoned Preserve enters tapped if you control another nonbasic land.
{T}: Add {B} or {G}.

{T}: Add {C}.
{3}, {T}, Sacrifice Abandoned Sanctuary: Search your library for a land card with a basic land type and put it onto the battlefield tapped, then shuffle.

Abandoned Shores enters tapped if you control another nonbasic land.
{T}: Add {G} or {U}.

Abandoned Skyroad enters tapped if you control another nonbasic land.
{T}: Add {W} or {U}.

Abandoned Wilderness enters tapped if you control another nonbasic land.
{T}: Add {G} or {W}.

{T}, Pay 1 life, Sacrifice Abbey of Masquerades: Create a tapped Plains token, Island token, Swamp token, Mountain token, or Forest token.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)

Abyss Howler must be blocked if able.
Whenever Abyss Howler becomes blocked, defending player loses 2 life and you gain 2 life.

Abyssal Crypt enters tapped.
{T}: Add {U} or {B}.
{2}{U}{B}, {T}, Sacrifice Abyssal Crypt: Draw a card.

{T}: Add {C}.
{T}, Exile two cards from your graveyard: Add {B} or {R}.

Your starting life is 24.
{X}, Discard a card: Create a token that's a copy of a creature card with mana value X chosen at random. If X is 11 or greater, choose a creature with mana value X or greater instead. Activate only as a sorcery and only once each turn.

Flying
Whenever you draw a card, put a +1/+1 counter on Acolyte of Life.
Remove two counters from Acolyte of Life: It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

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

Deathtouch
Whenever Addermark Eviscerator deals combat damage to a player, draw a card.
At the beginning of your end step, if Addermark Eviscerator didn't attack this turn, transform it.

({T}: Add {U}.)
Aerie's Pillar enters tapped.
Flying
{2}{U}{U}: Aerie's Pillar becomes a creature in addition to its other types until end of turn.

{T}, Sacrifice Aether Gateway: Create a tapped Plains token, Island token, Swamp token, Mountain token, or Forest token.

Menace, trample, indestructible
Whenever Aghavaan Unleashed deals combat damage to a player, that player gets that many poison counters.
At the beginning of your end step, sacrifice another creature or transform Aghavaan Unleashed.

{T}: Add {C}.
At the beginning of each end step, if you control five or more Snake creatures, transform Aghavaan's Wound.

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

Flying, vigilance
Whenever Alabaster Avenger attacks, if it's enchanted or equipped, it gains first strike until end of turn.

{T}: Add {C}.
Tap three differently named untapped Academies you control: Put a +1/+1 counter on target permanent. Activate only as a sorcery.

{T}: Add {C}.
{T}, Sacrifice Alchemist's Abode and another permanent: Draw a card. Activate only during your turn.

{T}, Pay 1 life: Add {G} or {U}.
{2}, {T}, Sacrifice Alchemist's Laboratory and another permanent: Draw a card. Activate only during your turn.