You can attack on your turn, then use this to ambush the opponents during combat with a surprise 3/4 flier and a newly untapped creature that you blink

Accursed Duneyard Adanto, the First Fort Anointed Deacon Anowon, the Ruin Sage Arterial Flow Baron Bertram Graywater Baron Sengir Bishop of Binding Bishop of the Bloodstained Blade of the Bloodchief Blood Tribute Bloodbond Vampire Bloodline Keeper Bloodline Necromancer Bloodlord of Vaasgoth Bloodmad Vampire Bloodthrone Vampire Call the Bloodline Call to the Feast Canonized in Blood Captivating Vampire Charismatic Conqueror Chosen of Markov Circle of Confinement Clavileo, First of the Blessed Cleansing Ray Coat of Arms Cordial Vampire Crossway Troublemakers Crossway Vampire Crovax the Cursed Dominating Vampire Drana, the Last Bloodchief Dreamdrinker Vampire Dusk Legion Sergeant Duskborne Skymarcher Edgar Markov Edgar Markov's Coffin Elenda and Azor Elenda's Hierophant Elenda, the Dusk Rose Evelyn, the Covetous Falkenrath Gorger Falkenrath Pit Fighter Forerunner of the Legion Furyblade Vampire Ghalta and Mavren Gift of Fangs Glass-Cast Heart Grim Captain's Call Guul Draz Vampire Havengul Vampire Hungry for More Indulgent Aristocrat Kalastria Highborn Kalitas, Bloodchief of Ghet Kalitas, Traitor of Ghet Krovikan Vampire Legion's Landing Lord of Lineage March of the Canonized Markov Crusader Markov Enforcer Markov Retribution Martyr of Dusk Master of Dark Rites Mavren Fein, Dusk Apostle Memory Vampire Mephidross Vampire Mindless Null Neonate's Rush New Blood

The completest in me wanted to give Tibalt, the Fiend-Blooded a slot, but I just envisioned using his +1 ability to draw a card and then randomly discarding Teferi, Temporal Archmage, and that was just unacceptable
It sees a solid amount of play in the G/W decks that exist along with some builds of G/R, so I dont think the price is going to fall any time soon
I've spent a lot of time studying the card to figure out what makes it tick and here's the best I've come up with so far
fight When two creatures fight, each deals damage equal to its power to the other