Hidden Ancients 
Enchantment
$0.24 #27934 0.06 28.0 years
When an opponent casts an enchantment spell, if this permanent is an enchantment, it becomes a 5/5 Treefolk creature.
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Opal Caryatid94%
$0.10↓#308030.1328.0 years
"When an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 2/2 Soldier creature."
Opal Acrolith94%
$0.26↑#306780.0028.0 years
"Whenever an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 2/4 Soldier creature."
Opal Gargoyle90%
$0.18↓#306390.0628.0 years
"When an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 2/2 Gargoyle creature with flying."
Hidden Guerrillas87%
$0.38↑#263120.1128.0 years
"When an opponent casts an artifact spell, if this permanent is an enchantment, it becomes a 5/3 Soldier creature with trample."
Hidden Gibbons86%
$11.06↑#19381↑0.0027.7 years
"When an opponent casts an instant spell, if this permanent is an enchantment, it becomes a 4/4 Ape creature."
Veil of Birds86%
$0.14↓#286030.0028.0 years
"When an opponent casts a spell, if this permanent is an enchantment, it becomes a 1/1 Bird creature with flying."
Opal Champion86%
$0.10↓#307970.0027.7 years
"When an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 3/3 Knight creature with first strike."
Opal Archangel85%
$2.15↑#297180.1128.0 years
"When an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 5/5 Angel creature with flying and vigilance."
Hidden Spider82%
$0.35↑#21041↑0.0728.0 years
"When an opponent casts a creature spell with flying, if this permanent is an enchantment, it becomes a 3/5 Spider creature with reach."
Veiled Sentry82%
$0.25↑#287200.1228.0 years
"When an opponent casts a spell, if this permanent is an enchantment, it becomes an Illusion creature with power and toughness each equal to that spell's mana value."
Veiled Apparition80%
$0.21↓#317800.0028.0 years
"When an opponent casts a spell, if this permanent is an enchantment, it becomes a 3/3 Illusion creature with flying and "At the beginning of your upkeep, sacrifice this creature unless you pay 
.""
.""
Opal Guardian80%
$0.24#307280.0020.0 years↓
"When an opponent casts a creature spell, if this permanent is an enchantment, this enchantment becomes a 3/4 Gargoyle creature with flying and protection from red."
Opal Titan79%
$0.42↑#301380.0028.0 years
"When an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 4/4 Giant creature with protection from each of that spell's colors."
Veiled Serpent78%
$0.06↓#282350.0028.0 years
"When an opponent casts a spell, if this permanent is an enchantment, it becomes a 4/4 Serpent creature with "This creature can't attack unless defending player controls an Island.""
Lurking Jackals76%
$0.16↓#321070.0027.4 years
"When an opponent has 10 or less life, if this permanent is an enchantment, it becomes a 3/2 Jackal creature."
Hidden Stag76%
$0.44↑#298860.0028.0 years
"Whenever an opponent plays a land, if this permanent is an enchantment, it becomes a 3/2 Elk Beast creature."
Hidden Herd73%
$0.42↑#286680.33↑28.0 years
"When an opponent plays a nonbasic land, if this permanent is an enchantment, it becomes a 3/3 Beast creature."
Veiled Crocodile72%
$0.41↑#311120.25↑28.0 years
"When a player has no cards in hand, if this permanent is an enchantment, it becomes a 4/4 Crocodile creature."
Hidden Predators70%
$0.48↑#282060.0028.0 years
"When an opponent controls a creature with power 4 or greater, if this permanent is an enchantment, it becomes a 4/4 Beast creature."