4 cards where the colors is W and the text includes “gain control”

Preacher (Masters Edition #24)

Preacher {1}{W}{W}

Creature — Human Cleric

You may choose not to untap Preacher during your untap step.

{T}: For as long as Preacher remains tapped, gain control of target creature of an opponent’s choice they control.

1/1

Illustrated by Quinton Hoover

Part of the Reserved List

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Evangelize (Time Spiral #16)

Evangelize {4}{W}

Sorcery

Buyback {2}{W}{W} (You may pay an additional {2}{W}{W} as you cast this spell. If you do, put this card into your hand as it resolves.)

Gain control of target creature of an opponent’s choice they control.

Illustrated by Randy Elliott

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Debt of Loyalty (Weatherlight #11)

Debt of Loyalty {1}{W}{W}

Instant

Regenerate target creature. You gain control of that creature if it regenerates this way.

“I killed him because I had to,” Starke lied to Gerrard. “But now I pledge my loyalty to you.”

Illustrated by Pete Venters

Part of the Reserved List

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Jabari's Influence (Mirage #24)

Jabari's Influence {3}{W}{W}

Instant

Cast this spell only after combat.

Gain control of target nonartifact, nonblack creature that attacked you this turn and put a -1/-0 counter on it.

“Common soldiers can’t understand what a sidar knows: the enemy can be a resource.”
—Sidar Jabari

Illustrated by Gerry Grace

Part of the Reserved List

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny

It is the moment of discovery, the triumph of the mind, and the end of these results.