When Mire Foundry enters the battlefield, sacrifice it unless you pay 2 life.
: Add or to your mana pool.
Put Mire Foundry on top of your library: Add to your mana pool.
, , Sacrifice Mire Foundry: Target player gets a poison counter.
: Add 
or 
to your mana pool.
to your mana pool. , , Sacrifice Mire Foundry: Target player gets a poison counter.
