(Mire Bank isn't a spell.)
Mire Bank enters the battlefield tapped.
Attacking creatures you control get +1/+0.
: Add or to your mana pool.
: Add to your mana pool. Put Mire Bank on top of your library.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Mire Bank on top of your library.
