draw cards artifact mtg Best red/white/artifact card draw? :

A cheaper but a bit less good Chaos Warp

And with Walking Ballista and Voracious Hydra giving the deck ample mana sinks that are fine in the early game and multiple planeswalkers to overcome removal, Mono-Green Devotion has to be considered the de facto "best deck" going into the Invitational

Not all Clue cards investigate

Decadent Dragon does something quite similar to Goldspan Dragon when it comes down, ramping you out of control, while also dishing out significant damage

Im excluding threaten effects that steal creatures but return them at the end of the turn, or theft cards that let you cast your opponent's spells

Each card is priced differently