Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Defender

When Akroan Horse enters the battlefield, an opponent gains control of it.

At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

Equipped creature gets +2/+2, has haste, can't attack you or planeswalkers you control, and can't be sacrificed.

At the beginning of each opponent's upkeep, you may have that player gain control of equipped creature until end of turn. If you do, untap it.

Equip {3}

When Coveted Jewel enters the battlefield, draw three cards.

{T}: Add three mana of any one color.

Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.

Inspired -- Whenever Daring Thief becomes untapped, you may exchange control of target nonland permanent you control and target permanent an opponent controls that shares a card type with it.

Flying

{T}: Exchange control of two target nonlegendary creatures. You can't activate this ability during combat.

When Exchange of Words enters the battlefield, choose two target creatures. For as long as Exchange of Words remains on the battlefield, exchange the text boxes of those creatures.

Target opponent gains control of target permanent you control.

{T}: Draw two cards. Target opponent gains control of Humble Defector. Activate only during your turn.

At the beginning of your end step, target opponent gains control of up to one target creature you control. Put two +1/+1 counters on it and tap it. It's goaded for the rest of the game and it gains "This creature can't be sacrificed." (It attacks each combat if able and attacks a player other than you if able.)

Whenever a creature you own but don't control attacks, you draw a card.

Berzerker -- Khârn the Betrayer attacks or blocks each combat if able.

Sigil of Corruption -- When you lose control of Khârn the Betrayer, draw two cards.

The Betrayer -- If damage would be dealt to Khârn the Betrayer, prevent that damage and an opponent of your choice gains control of it.

Exchange control of two target creatures controlled by different players. If you control neither creature, draw three cards.

Whenever an opponent casts a spell, you may exchange control of Perplexing Chimera and that spell. If you do, you may choose new targets for the spell. (If the spell becomes a permanent, you control that permanent.)

At the beginning of your upkeep, you may exchange control of target nonland permanent you control and target nonland permanent an opponent controls with an equal or lesser mana value.

Exchange control of two target permanents that share a permanent type.

Exchange control of two target permanents that share a card type. (Artifact, creature, enchantment, land, and planeswalker are card types.)

When Sleeper Agent enters the battlefield, target opponent gains control of it.

At the beginning of your upkeep, Sleeper Agent deals 2 damage to you.

When Spawnbroker enters the battlefield, you may exchange control of target creature you control and target creature with power less than or equal to that creature's power an opponent controls.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Exchange control of target noncreature spell and target creature. Then the spell's controller may choose new targets for it.

Vigilance, haste

{T}: Target opponent whose turn it is puts target nonlegendary creature card from your graveyard onto the battlefield under their control. It gains haste. Goad it. At the beginning of the next end step, exile it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- You may exchange control of two target creatures.

II -- You may exchange control of two target nonbasic, noncreature permanents that share a card type.

III -- Target player loses 3 life and you gain 3 life.

When Vedalken Plotter enters the battlefield, exchange control of target land you control and target land an opponent controls.

Exchange control of two target creatures you don't control.

Flashback {8}{U}{U}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Players can't gain life.

At the beginning of your upkeep, Witch Hunt deals 4 damage to you.

At the beginning of your end step, target opponent chosen at random gains control of Witch Hunt.

Trample

Whenever Yidris, Maelstrom Wielder deals combat damage to a player, as you cast spells from your hand this turn, they gain cascade. (When you cast the spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)