Onyxia's Explosion

Choose an opponent at random, then attache Onyxia's Explosion to that player. Onyxia's Explosion comes in with five counters on it. At the beginning of that players up keep remove a bomb counter from this permanent. Onyxia's Explosion deals 20 damage to that player if all five counters are removed.
•That player may pay five manna to change Onyxia's Explosion to a different raid member.
•All raid members must pay five manna each to completely remove Onyxia's Explosion from the raid.
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