Alchemy Guildgate

At beggining of your upkeep place counter on
Alchemy Guildgate, then flip a coin if your lose
a flip remove all counters from Alchemy
Guildgate it deals X damage to you, there
X is number of counters
{t}: Add {r} to your manapool.
{t}{r}, Remove X counters from Alchemy
Guildgate : Alchemy Guildgate deals
double X damage to any target.