For me, it is exactly the right app
Yep, it doesn't come cheap - and entry is limited to fans in the UK, US and Canada
Yes, the white cards that draw you cards when your opponent casts spells cover the full range of only use in special cases to format staple. The best such card is Esper Sentinel, which requires opponents to pay mana to cast noncreature spells or you'll draw you a card
PT, where he'll talk about the development of battles on MTG Arena and answer your questions!
MOM has a bonus sheet, Multiversal Legends (MUL), consisting of reprints of legendary creatures, some of which (like Atraxa, Praetors' Voice or Ragavan, Nimble Pilferer) are long-time MTG staples
Third, the flavor