Tarkir: Dragonstorm Commander Party events let you enjoy all the fun of casual Commander with a special Tarkir-themed rules
The differences here are primarily in sideboard construction, as the first list is using stuff like Tormod's Crypt as additional graveyard hate, while the second has some more traditional Wasteland + Strip Mine action for dealing with cards like Tabernacle
So with one mark of commander tax, Bayek of Siwa can be hard cast for or disguised for
Ramp Whether it's getting lands out faster, or playing creatures and artifacts that generate mana, you need a way to 'ramp' - that is, to rapidly increase your available mana, beyond playing your one land a turn
This $7.50 reprint also proves powerful in multiple different strategies
Cast any of those token-generating spells, and Rapid Augmenter gets a huge power boost in the form of +1/+1 counters and becomes unblockable