There's a bit of a cute idea here, with the deck attempting to play prototype creatures for cheap, then either blink them or recur them with Fake Your Own Death to plop them back into play on their fully upgraded side
Based on the latest market prices tracked on TCG Stacked, Rayquaza-EX is worth about $12.00 USD
Playing the occasional Hullbreacher or Notion Thief on their turn will ensure I keep my hand fully stocked and I'll even sneak in a few creatures without flash by employing Leyline of Anticipation and Vedalken Orrery
Once again, every land is a +1/+1 counter for everybody, letting the cycle continue anew
These include examining the print quality, text inconsistencies, and energy symbols on the cards
Also, any deck playing blue and can follow up with some kind of clock, I highly recommend playing Confounding Conundrum