If neither stat of the new creature is greater, Sharp-Eyed Rookie's triggered ability won't trigger at all
Faeburrow Elder and Selvala, Explorer Returned are the most reliable of Selesnyas mana ramp options due to their low mana cost, but both also need to tap to generate mana, so youll need a way to give them haste to access their mana generation on the turn you play them
I think the real use for this is of course the populate triggers, especially if we can get a decent variety of tokens on the field
And while it says Artifact Creature Golem, if you squint hard enough at the card text youll see its actually a pirate
You can still lose the game for other reasons, including having ten or more poison counters or drawing a card from a library with no cards in it
Lazotep Quarry is a desert itself and a great desert payoff if you have a desert and some mana, it lets you make token copies of creatures in your graveyard