As a two drop it isn't exactly gaining you much tempo either
Avoid Fate is one of the best protection spells you can get in a non-blue Commander deck, and nobody is ever expecting you to hard-counter their Darksteel Mutation or Imprisoned in the Moon with a 1-mana green counterspell
Treat them as force multipliers, not one-size-fits-all solutions
White historically ramp-poor, but treasure and extra lands effects (and the powerful tax-piece Smothering Tithe , which floods you with Treasure tokens) have closed the gap
So, it's that much tougher to find a given version of Nazgul, and players who wish to collect all nine will have to pay top dollar for them
Since Grolnok allows exiled spells and lands with croak counters to be played, it can offer incredible card advantage , provided you have a fighting force of Frogs ready to attack each turn