Cowed by Wisdom 
Enchantment — Aura
Enchant creature
Enchanted creature can't attack or block unless its controller pays 
for each card in your hand.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment — Aura
Enchant creature
Enchanted creature can't attack or block unless its controller pays for each card in your hand.