msem-instigator

Equipped creature has vigilance. (Attacking doesn't cause that creature to tap.)
Equip {1}

Flying
Whenever AOSE Skydrone deals combat damage to a player, draw a card.

Abandoned Chamber enters the battlefield with X story counters on it.
{3}, {T}, Remove all story counters from Abandoned Chamber and exile it: Return a card from your graveyard to your hand for each counter removed this way.

Nonland permanents have “This permanent doesn't untap during your untap step” and “{2}: Untap this permanent.”

{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 {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.

Whenever equipped creature deals combat damage to a player, put a +1/+1 counter on it and draw a card.
Equip {1}

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.

First mate—Your starting deck contains twelve or more creature cards and they all share a creature type.
As Adam of the Ironside enters the battlefield, choose a creature type. Adam becomes that type.
Adam gets +1/+1 for each other creature you control of the chosen type.

Indestructible
Legendary permanents you control have indestructible.

{1}: Choose one. Activate only once each turn.
• Adaptive Servitor gets +1/+1 and gains first strike until end of turn.
• Adaptive Servitor gets +2/+0 and gains trample until end of turn.

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

{2}, Sacrifice Adventurer's Amulet: Search your library for a basic land or Satrapy card, reveal it, put it into your hand, then shuffle.

As long as you control four or more differently named lands, creatures you control get +1/+1.
As long as you control a land named Far-Off Lands, creatures you control get +1/+1.

Flying
Whenever Aether Crosser attacks, you may aetherize another target tapped creature you control. (To aetherize, create a token that's a copy of it, then exile that token.)
Crew 1

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

If a creature dealt damage by equipped creature this turn would die, exile that card and draw a card instead.
Equip {1}

You control equipped creature.
Equipped creature has hexproof and can't attack or block.
{3}: Attach Aetherite Shackles to target creature. Activate only as a sorcery.

Defender, reach
Aetherlock Effigy can block an additional creature each combat.
When Aetherlock Effigy dies, create two 1/1 black Bird creature tokens with flying.

Equipped creature gets +2/+1.
Equip multicolored creature {1}
Equip {2}

Flying
When Ageless Lorekeeper enters the battlefield, you may discard your hand. When you do, draw three cards.

Whenever a land enters the battlefield under your control, untap Ageless Wanderer.
{1}, {T}: Add one mana of any color.

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.