Flight of Eagles

At the Upkeep of your turn, you may add {x} {w} to your mana pool. If you do so, tap {x} creatures. {x} is equal to how many cards are in your hand.
{1}{w}: create a 2/2 white Eagle creature token with flying and lifelink.
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"We are a nomadic people, and we know the eagles will always lead us to a new home"
-Fyren, Elven Shaman