Not a fan of Turntimber Symbiosis myself - even in Amulet it seems a head scratcher - but it's difficult for me to call it out and out unplayable
So I would like to examine eight commons currently in Standard that I believe could have been deemed rare in 1993
The only good example that comes to mind is a blue build (hence needing removal) that has cards like Vedalken Engineers, Trinket Mage and Grand Architect
Marvin, Murderous Mimic Marvin, Murderous Mimic has all activated abilities of creatures you control is the rules text of a 2-drop toy that, being a colorless creature, can go into every deck
Should you fail to pay, Primordial Ooze not only taps itself (and thus becomes useless), but it will deal that much damage to you
Magcargos Ground Burn does 140 damage and both you and your opponent discard the top card of your deck, doing 140 damage for each basic energy discarded in this way