Sphere of Safety (RVR) (#447)

Name: Sphere of Safety
Mana Cost: {4}{W}
Type: Enchantment
Collector Number: 447
Oracle Text: Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.
Rarity: uncommon
Artist: Slawomir Maniak