You will also likely find your deck to be clunky/mana heavy, which will reduce the average power level of your non-Omnath draws
Commander is a format of big, splashy spells that usually have some cool effect, so getting to copy it and then delay your opponents spell is huge, especially if theyve sacrificed resources to cast it ahead of time
destroy it, and if you do, your opponent skips their next Main Phase 1
Also, because the lands come into play untapped, it doesnt even cost that much mana, although in many cases four is a bit difficult for ramp decks to handle, depending on the other tools available
Products like the Ultra-Premium Collection and the Collector's Chest will get multiple promo cards, so I think it's a good bet that one or more of these will appear throughout those
All kits come with instructions but you can download the full colour version HERE