Beastmaster Ascension 
Enchantment
$4.23 #561 0.56 16.9 years
Whenever a creature you control attacks, you may put a quest counter on this enchantment.
As long as this enchantment has seven or more quest counters on it, creatures you control get +5/+5.
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Quest for the Goblin Lord92%
$1.11↓#7414↓0.5816.6 years
"As long as this enchantment has five or more quest counters on it, creatures you control get +2/+0."
Firebender Ascension82%
$0.86↓#2729↓0.00↓0.8 years↓
"Whenever a creature you control attacking causes a triggered ability of that creature to trigger, put a quest counter on this enchantment. Then if it has four or more quest counters on it, you may copy that ability. You may choose new targets for the copy."
Comforting Counsel81%
$0.30↓#11149↓0.00↓0.4 years↓
"As long as there are five or more growth counters on this enchantment, creatures you control get +3/+3."
Quest for the Gemblades80%
$0.18↓#25786↓0.07↓16.9 years
"Whenever a creature you control deals combat damage to a creature, you may put a quest counter on this enchantment."
ED-E, Lonesome Eyebot80%
$0.32↓#9327↓0.25↓2.5 years↓
"Whenever you attack, if the number of attacking creatures is greater than the number of quest counters on this card, put a quest counter on it."
Quest for the Gravelord76%
$0.13↓#17305↓0.06↓16.9 years
"Whenever a creature dies, you may put a quest counter on this enchantment."
Collective Blessing76%
$0.32↓#8078↓0.15↓13.9 years↓
"Creatures you control get +3/+3."
Gleam of Battle75%
$0.16↓#13575↓0.20↓13.3 years↓
"Whenever a creature you control attacks, put a +1/+1 counter on it."
Kate Stewart75%
$0.25↓#15221↓0.642.9 years↓
"Whenever this card attacks, you may pay 
. If you do, attacking creatures get +X/+X until end of turn, where X is the number of time counters among permanents you control."
. If you do, attacking creatures get +X/+X until end of turn, where X is the number of time counters among permanents you control."
Dictate of Heliod75%
$0.37↓#6913↓0.5012.3 years↓
"Creatures you control get +2/+2."
Gaea's Anthem75%
$0.25↓#8921↓0.00↓19.6 years↑
"Creatures you control get +1/+1."
Anthem of Champions75%
$0.25↓#6356↓0.14↓1.8 years↓
"Creatures you control get +1/+1."
Glorious Anthem75%
$0.38↓#7157↓0.25↓27.9 years↑
"Creatures you control get +1/+1."
Bard, Heir of Girion74%
$15.23↑#20248↓0.00↓0.1 years↓
"Other creatures you control get +1/+1."
+1 more matching line
Benalish Marshal74%
$0.48↓#7850↓0.44↓8.4 years↓
"Other creatures you control get +1/+1."
Kongming, "Sleeping Dragon"74%
$0.18↓#17673↓0.42↓27.3 years↑
"Other creatures you control get +1/+1."
Quest for Renewal74%
$7.29↑#3389↓0.5616.6 years
"Whenever a creature you control becomes tapped, you may put a quest counter on this enchantment."
+1 more matching line
Amazing Alliance74%
$3.54↓#11692↓0.41↓0.9 years↓
"Creatures you control get +1/+1."
+1 more matching line
Luminarch Ascension74%
$11.94↑#3298↓0.6216.9 years
"At the beginning of each opponent's end step, if you didn't lose life this turn, you may put a quest counter on this enchantment."
Airbender Ascension74%
$1.19↓#2491↓0.00↓0.8 years↓
"Whenever a creature you control enters, put a quest counter on this enchantment."