Capture the Flags

If this card was on your opening hand you may
cast it without paying it's mana cost.
Each player gains a Flag emblem with:
-If a creature an opponent controls deals combat damage to you that creature's controller gain
control of this emblem.
-At the beginning of your upkeep, if you control
all Flags you win the game.
-{t}Add 1 mana of any color to your mana pool.