Its simple on paper and doesn't get much more complicated than that
All it takes is one trigger to get the engine rolling
Attack of the Vine confirms 18 Enchanted cards, well above the 5-8 typical of earlier sets, and most of them are dual-ink
The only reason I mention Smagol, Helpful Guide is because its actually an interesting reward for self-sacrifice and Ring tempting, and it also enables some infinite combo lines with certain landfall creatures
Everythingamajig Version 147a I wouldnt normally include a silver-bordered card in a ranking, but the 147a version of Everythingamajig just works within black-bordered rules
Solitude : Elemental Incarnation that costs 3WW Subtlety : Elemental Incarnation that costs 2UU Grief : Elemental Incarnation that costs 2BB Fury : Elemental Incarnation that costs 3RR Endurance : Elemental Incarnation that costs 1GG The remaining five are Instant and Sorcery spells, with the exception of one Eldrazi creature