If Im to play another Tarkir Limited event, like an RCQ or an Arena Open, this is the general strategy that Ill employ
Fact or Fiction is the classic, and to my mind fair, draw spell
Without haste, it's a little vulnerable for one turn while the summoning sickness passes, but if your opponent doesn't have a response, it's a brilliant card to have in your deck
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Even if you dont have the mana immediately, you have until the end of your next turn to do so
I imagine thisll pick artifacts most often, but will probably pivot to something like instants as the game progresses