While its really just a bunch of keywords thrown onto a vanilla body, Sire of Seven Deaths is still one of the best new cards in MTG Foundations
(Damage and effects that say "destroy" don't destroy him.) A creature attacks alone if it's the only creature declared as an attacker during the declare attackers step (including creatures controlled by your teammates, if applicable)
Nintendo was probably concerned that a mobile version of the card game would cannibalize sales of the 3DS, otherwise it would have launched it alongside the Windows and OSX versions
Additionally, by simply paying two mana and two life, you can draw a card at any time, preventing you from ever simply running out of plays
Exile is more a designer's tool than an evergreen mechanic, so I hope you learned some nuances about it today
It has since gone down to prices closer to $42, although it can range from anywhere between $40 to $60