msem-instigator

Attacking creatures you control get +1/+0.
Mirage {2}{R} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Flying
Ward—{2}, Pay 2 life.
At the beginning of your end step, if a card was put into or left your graveyard this turn, put a +1/+1 counter on Tormentor of Graves.

Glorious end — When Toros the Warchief dies, if it was tapped, return it to the battlefield at the beginning of the next end step.
Attacking creatures you control have deathtouch.

Flash
When Total Surveillance enters the battlefield, draw a card.
Whenever you cast another spell with flash or an instant, create a 1/1 colorless Drone artifact creature token with flying.

Enchant creature
Enchanted creature gets +3/+3 and has trample.

{T}: Add {C}.
{2}, {T}: Draw a card. Activate only if you have no cards in hand.

Enchant creature you control
Whenever a land enters the battlefield under your control, put a +1/+1 counter on enchanted creature.
{3}{G}, Sacrifice Trace the Oasis: Draw cards equal to enchanted creature's power.

Enchant creature
Enchanted creature has hexproof.
{U}: Enchanted creature can't be blocked by target creature this turn.

(As this Discovery enters and after your draw step, add a progress counter. Stop after you've discovered.)
I, II — Mill two cards. You gain 2 life. (Put the top two cards of your library into your graveyard.)
Discovery — During each of your turns, you may cast a permanent spell from your graveyard.

Rapport — Whenever Trae, Serpent's Grasp and at least one other creature you control become tapped, each player draws a card. Then Trae, Serpent's Grasp deals 2 damage to each opponent with four or more cards in hand.

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
{2}{W}{W}, Return an unblocked attacking creature you control to its owner's hand: Create a 4/4 white Angel creature token with flying that's tapped and attacking.

At the beginning of your end step, you may mill a card.
{3}{B}, Exile two cards from your graveyard: Target player loses 2 life.

At the beginning of your upkeep, you may return a nontoken creature you control to its owner's hand. If you do, create a 2/2 green Elk creature token.

At the beginning of your end step, choose any number of permanents and/or players, then give each another counter of each kind it already has.
[+1]: Scry 1. Add {U} or {R}.
[–X]: Exile the top X cards of your library. Until end of turn, you may play a card exiled with Trainee Karina Oblay.

Vanguard — Whenever a creature you control attacks alone, draw a card.

Each creature you control enters the battlefield with an additional +1/+1 counter on it.
When Training Sim enters the battlefield, create a Function token with “Target creature you control fights target creature you don't control.” (It's an enchantment. As you cast an instant or sorcery spell, sacrifice any number of Functions to add their effects to that spell.)

Enchant creature
Enchanted creature gets +2/+2 and has vigilance.
{2}{W}: Return Tranquil Endeavors from your graveyard to your hand.

Whenever a creature you control attacks and isn't blocked, it explores. (Reveal the top card of your library. Put it into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then you may put that card in your graveyard.)

When Transcended Explorer enters the battlefield, if you control another enchantment, draw a card.

Enchant creature
When Transcendent Arts enters the battlefield, draw a card.
Enchanted creature can't be blocked by creatures that don't share a creature type with it.

When Trapped in the Tower enters the battlefield, exile target creature an opponent controls until Trapped in the Tower leaves the battlefield. (That creature returns under its owner's control.)
When you lose life, sacrifice Trapped in the Tower.

{3}{B}, Discard a card: Each opponent loses 2 life and you gain 2 life.
At the beginning of your upkeep, if there are five or more creature types among cards in your graveyard, you lose 1 life and draw a card.

When Traversing the Hellwastes enters the battlefield, create a 1/1 green Scout creature token. It gains haste until end of turn.
Whenever a creature enters the battlefield under your control, you may pay 2 life. If you do, draw a card.

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever you scry or search your library, add a quest counter.
1 — Target creature you don't control gets -3/-0 until your next turn.
2 — Reveal cards from the top of your library until you reveal a nonland card, then put the revealed cards into your hand.
3 — Reveal the top card of your library. If its mana value is less than or equal to the number of cards in your hand, you may cast it without paying its mana cost.

Whenever a creature you control deals combat damage to a player, if it has no +1/+1 counters on it, put a +1/+1 counter on it. You gain 1 life.