The only exceptions are the Vol.20 T Promos (Larvitar/Pupitar/Tyranitar ex) which were distributed in Occident via POP Series 1 016-T12801788 4 MB 017-T12801788 2.83 MB 018-T640894 1.16 MB 1912801788 277 KB Other set of promos I like are P Promos because of their artwork and the way they were originally released
Shapeshifters are every creature type all the time, so you can play whatever you want and still get all the fun benefits
However, unlike Oblivion Rings abilities, this ability creates two one-shot effects: one that exiles the creature when the ability resolves, and another that returns the exiled card to the battlefield immediately after the Sliver leaves the battlefield
After the printing of cards cards like Icatian Lieutenant, Dwarven Soldier, and Goblin Chirurgeon in the Fallen Empires set, players realized that there was another factor that mattered besides the color of the card and the mana cost
The other Sliver I have a lot of respect for is Taunting Sliver