WOTC has previously stated that its Universes Beyond crossovers have brought a huge amount of new players through the door, and just today Hasbro revealed that the recent Final Fantasy set made a whopping $200 million on its first day
As my #3 choice, I would suggest that a tokens-matter build is best for the card
Edric, Spymaster of Trest Edric, Spymaster of Trest leverages blues many unblockable creatures, like Mist-Cloaked Herald and Slither Blade, to slip through your opponents defenses and rip through the deck to chain together extra turn spells, and eventually conclude the game with a Beastmaster Ascension or something
The cost reduction for artifacts and creatures sacrificed earlier in the turn will apply even if you don't sacrifice any as an additional cost
Sometimes your opponent will have removal, but many times they wont and it even gets the Bird out of range of many red removal spells anyway