The early frontrunners have been White-Blue Artifacts, Blue-Red Big Noncreatures, and Red-White Equipment Aggro
This green-blue-black deck embodies the overwhelming force of the Tyranids, focusing on +1/+1 counters, adaptability, and overwhelming your foes with monstrous creatures
It's a ton of fun to play, bouncing Flickering Ward and Conviction back to hand, replaying on whatever target creature needs them, drawing a card, creating tokens, gaining life, do it all over again
4 Chandra, Flamecaller Chandra, Flamecaller was a devastating card to play against when she was playable in Standard
This new Enchantment really gets into the casino spirit
A few basic lands might be added too, and Dakmor Salvage is sure to appear