Cards like The Queen, Commanding Presence and Gaston, Intellectual Powerhouse are about as tricky as things get, but they simply do what they say on the card and get players used to the powerful (at least in my eyes) shift mechanic, which is a cost reduction method
As we saw with Battle for Zendikar s Part the Waterveil, any extra turn effect that gives you a creature to attack with is an asset to a Taking Turns deck
Speaking of combos, the idea of this deck is to get Mindsplice Apparatus on the battlefield for enough turns to get it up to three counters so the cost of all of our instant and sorcery spells is reduced by three
Takklemaggot is not a creature, but rather an enchantment
[casthaven]Rashmi, Eternities Crafter[/casthaven] bests Momir Vig, though, in that shes always going to be card advantage
That's almost prohibitively high with cards that seek to use mana for their discard engine-ing, such as Compulsion