Quick Sliver is a very powerful and very fun addition to Sliver decks, allowing you to dump creatures onto the field at the very last moment and mess up all the plots and schemes your opponents have been working on, as you untap with a ton of new creatures in play
While attached to a Pokemon, this card provides 1 [C] Energy
Finally, both colors can destroy your opponents lands too
After players start adjusting to handle mana denial, Stifle strategies start to fall off and players start to push their mana again to gain an edge against the non-Stifle decks
Unlike in chess, however, you can beat your MTG opponent in one turn with just the right combination of cards
Aftermath performed so poorly that this idea was scrapped, but Wizards had already produced the cards