And even then, age and scarcity aren't a guarantee of value - you can buy that Charizard card everyone chases for less than $200 on eBay
Tidus, Yunas Guardian, lets you move counters around, but the type of counter isnt specified
Patriarch's Bidding Bidding has to be one of the very first cards I ever cut from my cube
In Modern, Dig Through Time and Treasure Cruise split the format, more or less, along the lines of Treasure Cruise appearing in aggro and tempo decks while Dig Through Time was preferred by control and combo decks, such as the following deck looking to find Scapeshift and seven land
Finally, check out the massively synergetic Scepter of Celebration
Nashi, Moon's Legacy Sometimes one more copy of your rat is enough and Nashi, Moon's Legacy practically gives you flashback for legendaries and rats in your graveyard