Latios

Flash, flying, first strike, absorb 2, ward {2}.
Prowess, prowess (Whenever you cast a noncreature spell, this creature gets +2/+2 until end of turn.)
Whenever Latios deals combat damage to a
player, that player mills a card for each damage
dealt this way. (To mill a card, a player puts
the top card of their library into their graveyard.)
Dash {u/r}{u/r}{u/r} (You may cast this spell for its dash
cost. If you do, it gains haste, and it's returned from
the battlefield to its o