Hidden Herd 
Enchantment
$0.42 #28668 0.33 28.0 years
When an opponent plays a nonbasic land, if this permanent is an enchantment, it becomes a 3/3 Beast creature.
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Cards similar to Hidden Herd expected a card that isn't here?
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Hidden Stag90%
$0.44↑#298860.00↓28.0 years
"Whenever an opponent plays a land, if this permanent is an enchantment, it becomes a 3/2 Elk Beast creature."
Opal Caryatid78%
$0.10↓#308030.13↓28.0 years
"When an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 2/2 Soldier creature."
Opal Acrolith78%
$0.26↓#306780.00↓28.0 years
"Whenever an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 2/4 Soldier creature."
Hidden Ancients73%
$0.24↓#279340.06↓28.0 years
"When an opponent casts an enchantment spell, if this permanent is an enchantment, it becomes a 5/5 Treefolk creature."
Veiled Crocodile72%
$0.41↓#311120.2528.0 years
"When a player has no cards in hand, if this permanent is an enchantment, it becomes a 4/4 Crocodile creature."
Spectrum Sentinel72%
$0.44↑#5686↑0.56↑3.9 years↓
"Whenever a nonbasic land an opponent controls enters, you gain 1 life."
Opal Gargoyle72%
$0.18↓#306390.06↓28.0 years
"When an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 2/2 Gargoyle creature with flying."
Skyshroud Elite72%
$0.14↓#276550.00↓28.3 years
"This creature gets +1/+2 as long as an opponent controls a nonbasic land."
Lurking Jackals70%
$0.16↓#321070.00↓27.4 years
"When an opponent has 10 or less life, if this permanent is an enchantment, it becomes a 3/2 Jackal creature."