Unfortunately, Gisela is vulnerable to almost every removal spell in the format and does not match up well against Reflector Mage or Archangel Avacyn
Here is how the system works, from the commons you toss in a bulk box to the one-of-one that sold for two million dollars
Interestingly, even an ungraded copy of this card was sold for a similar price and eBay is full of sold listings for this specific card at really high values
This means that not only does a player have immaculate mana fixing, but they can also stockpile their mana production between turns in the form of massive numbers of treasure tokens
Rad counters mill players slowly and drain their life totals, and feel like the perfect complement to a +1/+1 counter strategy, since youll be pressuring life totals and proliferating everything in sight
So, that means you get to cost reduce big Eldrazi, Burn spells, and token generating X spells