Finally, the ultimate isn't even good all the timeif you are winning and have a decent board, you might want to keep your own permanents rather than take your opponent's, especially since Aminatou, the Fateshifter is more about synergy than raw power, so your cards will likely be more valuable to your deck than your opponent's cards
Where Mai really shines, however, is against Combo decks
Ashiok, Dream Render Three mana seems to be the sweet spot for a powerful planeswalker
As the term suggests, the rarities each signify different percentages for how easy or difficult it will be to find one of these types in the booster packs of cards for the game
The untap symbol in an activation cost means Untap this permanent. A permanent thats already untapped cant be untapped again to pay the cost
Legendary Planeswalker - Nixilis