Exert Influence

Sorcery    (CMC:5)

Converge — Gain control of target creature if its power is less than or equal to the number of colors of mana spent to cast Exert Influence.

"I can't control its mind—I'm not even sure it has one. But I can dominate its will." 25—26 September 2015

077 Prerelease BFZ ★ ENMagali Villeneuve

™ & © 1993—2015 Wizards of the Coast

Legal in: Modern,Battle for Zendikar Block,Legacy,Vintage,Commander

Oracle Text (click to copy):

Exert Influence {4}{U} Sorcery Converge — Gain control of target creature if its power is less than or equal to the number of colors of mana spent to cast Exert Influence.

8/25/2015
Check the creature’s power as Exert Influence resolves to see if it’s less than or equal to the number of colors spent to cast Exert Influence. If it’s greater, Exert Influence will finish resolving with no effect.
8/25/2015
Once you’ve gained control of a creature with Exert Influence, it doesn’t matter what happens to its power. Raising it won’t cause the control-changing effect to end.
8/25/2015
The maximum number of colors of mana you can spend to cast a spell is five. Colorless is not a color. Note that the cost of a spell with converge may limit how many colors of mana you can spend.
8/25/2015
8/25/2015
If there are any alternative or additional costs to cast a spell with a converge ability, the mana spent to pay those costs will count. For example, if an effect makes sorcery spells cost  more to cast, you could pay  to cast Radiant Flames and deal 4 damage to each creature.
8/25/2015
If you cast a spell with converge without spending any mana to cast it (perhaps because an effect allowed you to cast it without paying its mana cost), then the number of colors spent to cast it will be zero.
8/25/2015
If a spell with a converge ability is copied, no mana was spent to cast the copy, so the number of colors of mana spent to cast the spell will be zero. The number of colors spent to cast the original spell is not copied.

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