It then establishes an unassailable position via countermagic and wins a slow victory via Snapcaster Mage
For a wedge set, the obvious choice was to pick the color that is the enemy of the other two colors
1 Reverse Holo Energy card in each pack
The Minstrel's Ballad - At the beginning of combat on your turn, if you control five or more Towns, create a 2/2 Elemental creature token that's all colors.: Other creatures you control get +X/+X until end of turn, where X is the number of Towns you control
I don't think I've ever played the card in a 60 card format before, it's generally just too expensive, although it's perfect for Summon: Primal Odin
It's also a great candidate in decks that can add more counters to remove your opponents' window to play around it: I'm getting tired of mentioning Atraxa, Praetors' Voice, but unsurprisingly she's incredibly good with Scriptures, letting you cast Scripture turning her into an artifact and immediately wiping the board while keeping her around