Arcane Diffusion Bomb (A.D.B)

When Arcane Diffusion Bomb enters the battlefield, put 10-X fuse counters on it.
upon each of your upkeeps,
remove 1 fuse counter from ADB.
When no fuse counters remain:
•permanents lose indestructible until end of turn.
•destroy all permanents,
•exile Arcane Diffusion Bomb.
You can only have 1 copy of A.D.B in your deck.