Rally of Wings {1}{W}
Instant
Untap all creatures you control. Creatures you control with flying get +2/+2 until end of turn.
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Cards that do something similar expected a card that isn't here?
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Call to Glory 99%
$0.23#15368
"Untap all creatures you control. Samurai creatures you control get +1/+1 until end of turn."
Flying Crane Technique 91%
$0.26#14856
"Untap all creatures you control. They gain flying and double strike until end of turn."
Join Shields 91%
$0.26#15446
"Untap all creatures you control. They gain hexproof and indestructible until end of turn."
Drumbellower 89%
$1.85#1941
"Untap all creatures you control during each other player's untap step."
Insurrection 88%
$13.40#1918
"Untap all creatures and gain control of them until end of turn. They gain haste until end of turn."
Overpowering Attack 84%
$1.34#1846
"Untap all creatures you control that attacked this turn. If it's your main phase, there is an additional combat phase after this phase, followed by an additional main phase."
Reins of Power 81%
$3.03#3886
"Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn."
Dazzling Theater // Prop Room 81%
$0.78#1835
"Untap each creature you control during each other player's untap step."
Murkfiend Liege 80%
$3.05#2556
"Untap all green and/or blue creatures you control during each other player's untap step."
Tifa, Martial Artist 80%
$3.41#4068
"Whenever one or more creatures you control with power 7 or greater deal combat damage to a player, untap all creatures you control. If it's the first combat phase of your turn, there is an additional combat phase after this phase."