Curses are fun for the controlling player, but control in commander is a tricky path that is difficult to manage since some players take it personally
"[Type]cycling [cost]" means "[Cost], Discard this card: Search your library for a [type] card, reveal it, put it into your hand, then shuffle." This type is usually a subtype (as in "Mountaincycling") but can be any card type, subtype, supertype, or combination thereof (as in "basic landcycling")
While some of these cards, individually, will only cost you a few cents, there are those out there that may require you to break open any spare piggy banks you have lying around
There are 16 legendary Giants you could be using as a Commander, including 10 that are Red from Brion Stoutarm to Ruhan of the Fomori
Lets dissect what a Beyond booster has to offer and compare it to the well-established Collector booster
Old One Eyes ability to go from graveyard to hand at the cost of discarding cards makes it right for a reanimator deck, like with Old Stickfingers, getting the exact creatures you want into the yard