This will not include oddities such as fillers, playtest cards, test prints, card that left with employees of the print shops or WotC, or any items of that nature
In fact, there are times Ive not even been able to make Blue mana for Demand and Supply is good enough already
All of these cards qualify as good ways to grant your commander double strike at instant speed, which can kill people in a hurry, even though there is no good reason to use Rikus spell-copying ability in tandem with any of them
Fiery Gambit has incredible upside, giving you nine cards and untapping all your lands all for three mana
If you cast an instant or sorcery spell that has multiple targets, but it's targeting only Zada with all of them, Zada's ability will trigger
It is easier to cast, generally has a more potent removal effect, can scale up in power, and has that valuable lifegain option