Often I find that when I need them or theyd be useful I dont have them, and when I have them Ive nothing to use them on
Rounding things out, Id recommend Serah Farron as a great cost reducer in your Legendary-matters decks
These monsters can be used to Synchro, XYZ, or Link summon, depending on which cards you have available at the time
Derringer Core can search
For those who prefer a combo-oriented style of play, Kykar decks are also well suited to cards with Storm (spells like Empty the Warrens that copy themselves for every other spell cast before them on the same turn) and cards that reward you for playing lots of spells like Aetherflux Reservoir, to say nothing of the other independent combos that synergize with Kykar like Elsha of the Infinite + Senseis Divining Top
Buy it now listings on eBay last forever effectively so once we do the work of listing a card it will stay there until it finds a buyer