I looked in box after box and finally found the card after an hour of searching
Here are the lists: Monkey Grow, by Jordan Boisvert (SCG Premier IQ Worcester 5/2015, 1st place Merfolk, by Hunter Nance (SCG Open Charlotte 8/2015, 2nd place Assuming both decks play out their standard gameplans, Merfolk will beat Monkey Grow nearly every time
If this happens, the ability will still resolve and you'll put a +1/+1 counter on Sharp-Eyed Rookie and investigate
The reason is because it so much easier to sell the non-foil promo cards, so most players are aiming to earn 18-20 tickets, and even if you earned 20 on Day 1, getting another 70 is a tall feat, unless you have a way of combining tickets with friends/teammates
16 Toxrill, The Corrosive A Serious Threat With Little Escape Printed in Innistrad: Crimson Vow alongside Umbris, while Toxrill, the Corrosive may cost a hefty seven mana, once cast it is capable of single-handedly taking over a Commander game
Graded Population Report: Hydreigon ex #223 Visualize the distrbution of grades in the chart