Sphere of Safety — Magic: The Gathering card

Sphere of Safety

{4}{W}
Enchantment

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.

Set Pioneer Masters
Rarity Uncommon

Why Play Sphere of Safety

Enchantment-heavy decks gain a powerful defensive tool that scales exponentially with board presence. The tax effect becomes prohibitively expensive once you control 3-4 enchantments, effectively creating a pillow fort that protects both you and your planeswalkers. Constellation decks and enchantress strategies particularly benefit, as they naturally accumulate enchantments while establishing this defensive barrier. Play it when facing aggressive creature strategies or when you need time to assemble a slower win condition.

Format Notes

Commander represents the card's strongest format, where multiplayer games provide more time to accumulate enchantments and the singleton nature favors unique effects like this. Pioneer and Modern enchantment decks occasionally include it as a sideboard option against creature-heavy metas. The card has never faced banning issues and maintains steady casual appeal, though it sees limited competitive play outside of specific enchantment-focused builds.

Combos & Synergies

Sigil of the Empty Throne creates a powerful engine where each enchantment both strengthens your defense and adds flying threats to the board. Sterling Grove provides protection for your enchantment suite while adding to the tax count, making it harder for opponents to disrupt your fortress. Enchantress effects like Mesa Enchantress or Verduran Enchantress help refuel your hand while building the critical mass of enchantments needed to make the tax prohibitive.