Once I had a reasonable board set, Id play Jokulhaups and get rid of everything except for planeswalkers and enchantments
It takes time to work, which is a tough sell in modern Magic, but when you get that value, it rocks
Whispersilk Cloak Evasion and protection in one card
Revel Caller : Same issue mentioned above, where the second ability will give you 5 wine tokens regardless of whether you had any artifacts/enchantments to sacrifice - I presume that's not intended
With haste and flying as well, it can enter the battlefield and deal direct damage very quickly
While it can be argued that a card like Eternal Witness will often work better in some decks than Snapcaster Mage, you cant use that card to give something like Mana Drain flashback at instant speed to stop a key threat and keep you in the game