His discard, draw and mill ability helps with that a little, letting you fuel whatever game plan is currently happening, whether concentrating on the graveyard centric effects or the battlefield you have
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Stalling in the Pokemon TCG can be absolutely viable, most notably done to perfection by Wailord-EX and Lucario & Melmetal-GX
Its quite easy to make modified creatures with mechanics like job select and living weapon that create tokens to attach equipment to, not to mention whites plethora of counter production
Market research showed that hybrid mana was the highest-rated thing in the original Ravnica block, and I believe it is still one of the highest-rated "mechanics" (it's a tool, not a mechanic, but that's what the market research called it), if not the highest, of all time