It can be deceptively fast, and while the combo helps, it isnt entirely reliant on it, as the various enter play effects are useful even when triggering once
In theory, then, you could play Stitch, Rock Star on top of Stitch, Carefree Surfer, then use both cards draw ability to play the remaining Stitches back-to-back for a major sweep against your opponent.
But this should give you an idea of how to find the best cards for your deck and decide what colors you want to play
If that creature is legendary, draw a card
This has made those two-drop Gramma Talas from set one even more powerful as they now act as a Shift target to reduce the big Gramma Tala, Spirit of the Oceans cost but also they can activate its abilities and will also force your opponents to help you ramp by removing them from the board early game to stop you from shifting and allowing you to eek out more ink advantage