Asuna, The Lightning Flash

Flash, First Strike, Lifelink

Partner with Kirito, Beater of SAO

Whenever Asuna, The Lightning Flash deals damage to a player, reveal cards from the top
of your library until you reveal a player card
that costs {x} or less where {x} is the damage dealt to
that player, then you may put that card onto
the battlefield or into your hand, put the rest on the bottom of your library in a random order