Tinker could arguably top this list if, you know, it was playable and not banned virtually everywhere
Besides +1/+1 counters, you've got plenty of ways to boost the power and toughness of your merfolk army , like Merfolk Mistbinder, Merfolk Sovereign, and Merrow Reejerey
Its also strange that the graveyard hate ability doesnt stop tokens from dying, so its not a complete graveyard hoser either
I doubt thisll do too much to the value of the card, but we might see more of a drop if Wizards keeps reprinting it
Graded versus Ungraded Cards Again, this is very similar to Alpha: Starting with the condition of the cards and then graded versus ungraded cards, there can be huge price jumps