1st Interplanar Mana Bank

{c}: Gain 2 mana of any color.
Pay 2 mana of any color: {c}
{c}{c}: Gain 1 life.
Pay 1 life: {c}{c}
Each above ability may be activated by any
player, but only once per turn and only at
sorcery speed.
"They say their services are free..."