Quest for Renewal 

Enchantment
Whenever a creature you control becomes tapped, you may put a quest counter on this enchantment.
As long as there are four or more quest counters on this enchantment, untap all creatures you control during each other player's untap step.
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Cards that do something similar expected a card that isn't here?
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Raphael, Tag Team Tough 88%
$6.19#11735
"Whenever this card deals combat damage to a player for the first time each turn, untap all attacking creatures. After this combat phase, there is an additional combat phase."
Curse of Bounty 88%
$0.53#9780
"Whenever enchanted player is attacked, untap all nonland permanents you control. Each opponent attacking that player untaps all nonland permanents they control."
Aurelia, the Warleader 85%
$4.43#820
"Whenever this card attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase."
Dazzling Theater // Prop Room 85%
$0.78#1835
"Untap each creature you control during each other player's untap step."
Tifa, Martial Artist 85%
$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."
Drumbellower 85%
$1.85#1941
"Untap all creatures you control during each other player's untap step."
Rona, Herald of Invasion // Rona, Tolarian Obliterator 84%
$1.96#3441
"Whenever you cast a legendary spell, untap this card."
Anzrag, the Quake-Mole 84%
$5.81#2684
"Whenever this card becomes blocked, untap each creature you control. After this phase, there is an additional combat phase."
Preston Garvey, Minuteman 83%
#12464
"Whenever this card attacks, untap each enchanted permanent you control."
The Blackstaff of Waterdeep 83%
$0.20#19806
"You may choose not to untap this card during your untap step."
Overpowering Attack 83%
$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."
Seedborn Muse 83%
$15.21#281
"Untap all permanents you control during each other player's untap step."
Saint Traft and Rem Karolus 82%
$0.25#13710
"Whenever you cast a spell that has convoke, untap this card."
Insurrection 82%
$13.40#1918
"Untap all creatures and gain control of them until end of turn. They gain haste until end of turn."