Oath of the Ancient Wood 

Enchantment
$0.23 #19682 0.07 13.1 years
Whenever this enchantment or another enchantment you control enters, you may put a +1/+1 counter on target creature.
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Optimistic Scavenger93%
$0.27↑#9242↑0.17↑1.9 years↓
"Whenever an enchantment you control enters and whenever you fully unlock a Room, put a +1/+1 counter on target creature."
Oakheart Dryads93%
$0.09↓#23958↓0.20↑12.3 years
"Whenever this creature or another enchantment you control enters, target creature gets +1/+1 until end of turn."
Pious Wayfarer92%
$0.18↓#23856↓0.136.6 years↓
"Whenever an enchantment you control enters, target creature gets +1/+1 until end of turn."
Eutropia the Twice-Favored90%
$0.15↓#13392↑0.25↑6.6 years↓
"Whenever an enchantment you control enters, put a +1/+1 counter on target creature. That creature gains flying until end of turn."
Calix, Guided by Fate90%
$12.29↑#3590↑0.36↑3.3 years↓
"Whenever this card or another enchantment you control enters, put a +1/+1 counter on target creature."
Setessan Skirmisher88%
$0.08↓#28021↓0.006.6 years↓
"Whenever an enchantment you control enters, this creature gets +1/+1 until end of turn."
Rimefur Reindeer86%
$0.14↓#197220.80↑3.0 years↓
"Whenever an enchantment you control enters, tap target creature an opponent controls."
Captivating Unicorn86%
$0.17↓#181100.25↑6.6 years↓
"Whenever an enchantment you control enters, tap target creature an opponent controls."
Strength from the Fallen86%
$0.20↓#24118↓0.1112.3 years
"Whenever this enchantment or another enchantment you control enters, target creature gets +X/+X until end of turn, where X is the number of creature cards in your graveyard."
Whitewater Naiads86%
$0.28↑#169290.50↑12.3 years
"Whenever this creature or another enchantment you control enters, target creature can't be blocked this turn."
Nexus Wardens86%
$0.19↓#169020.47↑6.6 years↓
"Whenever an enchantment you control enters, you gain 2 life."
Harvestguard Alseids84%
$0.12↓#174800.1212.3 years
"Whenever this creature or another enchantment you control enters, prevent all damage that would be dealt to target creature this turn."
Generous Visitor82%
$0.26↑#11109↑0.29↑4.5 years↓
"Whenever you cast an enchantment spell, put a +1/+1 counter on target creature."
Setessan Champion82%
$3.76↑#1010↑0.24↑6.6 years↓
"Whenever an enchantment you control enters, put a +1/+1 counter on this creature and draw a card."
Dreadbringer Lampads82%
$0.07↓#223370.39↑12.3 years
"Whenever this creature or another enchantment you control enters, target creature gains intimidate until end of turn."
Thassa's Devourer82%
$0.07↓#224760.1412.3 years
"Whenever this creature or another enchantment you control enters, target player mills two cards."
Nylea's Colossus81%
$5.07↑#7219↑0.82↑8.1 years↓
"Whenever this creature or another enchantment you control enters, double target creature's power and toughness until end of turn."
Goldenhide Ox80%
$0.19↓#25534↓0.0712.3 years
"Whenever this creature or another enchantment you control enters, target creature must be blocked this turn if able."
Sage of Mysteries80%
$0.22↓#169190.40↑6.6 years↓
"Whenever an enchantment you control enters, target player mills two cards."