Army of Archers

At the begining of your upkeep:
-If you control 1or more Archer/s,
Gain 1 life for each Archer you control.
-If you control 3 or more Archers,
Draw 2 cards.
-If you control 5 or more Archers,
Gain {w}{b}{r}{g} until the end of turn,
this mana does not empty during
phase changes.