msem-instigator

Archive 3 (As this enters, shuffle the top three cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Whenever a source you control deals noncombat damage to a player, draw a card from the archived library.

[+2]: Create a 2/2 red Werewolf creature token with first strike and haste.
[–3]: Tanya deals 3 damage to each creature that's not a Wolf or a Werewolf.
[–8]: For each permanent your opponents control, that player sacrifices it unless they have Tanya deal 2 damage to them.

Deathtouch
Breach (Whenever this deals combat damage to a player, you may have it become an Aura Curse until your next turn. Attach it to that player.)
Whenever an opponent has less life or fewer cards in their main library than the number of Curses attached to them, they lose the game.

[+1]: Tanya, the Mooncursed becomes a legendary 3/1 red Werewolf creature with first strike until end of turn.
[–2]: Tanya, the Mooncursed deals 3 damage to target creature or planeswalker.
[–4]: Destroy target nonbasic colorless permanent.

Each creature you control has every creature type among other creatures you control in addition to their own.
Creatures you control get +1/+1 for each of their creature types.

Enchant opponent
Whenever enchanted player is attacked, you may discard a card. If you do, draw a card.

Choose three. You may choose the same mode more than once.
• Tap target nonland permanent. It doesn't untap during its controller's next untap step.
• Exile target creature you control, then return it to the battlefield under your control.
• Target creature gets +1/+0 and gains lifelink and first strike until end of turn.

Choose one or both —
• You gain 5 life.
• Each player draws three cards.

[+1]: You may tap or untap target nonland permanent.
[–2]: Exile target tapped nonland permanent. Investigate.
[–6]: You get an emblem with “Whenever you cast a spell, you gain 3 life and draw a card.”

[+2]: Up to one target creature gets -1/-1 until your next turn. Tap it. You may remove all counters from it.
[–2]: Destroy target creature with no counters on it.
[–10]: Each opponent's life total becomes equal to the number of creatures they control.

This spell costs {2} more to cast for each target beyond the first.
Choose one or more —
• Exile target enchantment.
• Target player creates two tapped 1/1 white Soldier creature tokens.
• Taranika's Endeavor deals damage equal to the number of creatures you control to target creature or planeswalker.

Tarmovore's power and toughness are each equal to twice the number of card types among cards in all graveyards.

Indestructible
If Tarraka-no-Oni would be put into a graveyard from anywhere, reveal Tarraka-no-Oni and shuffle it into its owner's library instead.

Hexproof

Draw three cards, then discard a card unless you exile two cards from your graveyard.

Discard your hand. Draw a card for each artifact you control, then add {U} for each artifact you control. Exile Taste Brilliance.

Enchant creature
Whenever enchanted creature deals combat damage to a player, draw a card.

Flying
When Tattered Wisp enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Flying
{2}{R}: Target creature attacks this turn if able.

Whenever a creature or planeswalker enters, its controller may have it deal damage equal to its power or loyalty to any target of that player's choice.

You may pay {2}{B}{B} and tap an untapped Pirate you control rather than pay this spell's mana cost.
Target player draws three cards and loses 3 life.

Whenever a creature you control becomes monstrous, draw a card.

Flying
Tawny Prophet enters with three +1/+1 counters on it.
{W/U}, Remove a +1/+1 counter from Tawny Prophet: Scry 1, then draw a card.

{U}, Exile a card from your hand or graveyard that doesn't share a type with a card exiled by Tea of Augury: Draw a card.

Return target creature card from your graveyard to the battlefield.
Fabled {2}{B} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that creature.)