Wait, was I skipped? You can play into Timesifter by stacking the top of your library with Sensei's Divining Top and other scry effects, or just loading the rest of your deck with high mana value creatures like Scornful Egotist (maybe playing well in the 99 of a Yuriko, the Tiger's Shadow ninja deck)
Then Collector Booster packs are what youre after
Hunter Sliver Provoke is a pretty strong mechanic, and giving that to all your Slivers can spell doom for anyone with a valuable utility creature in play
What will they think of next
The ETB clears small boards, and the enchantment ability rewards every trade, sacrifice, or wipe that follows
Its adventure card, Ardenvale Fealty, lets players pay just two mana to create a 2/2 white Knight token with vigilance at instant speed