Again, this app is bare-bones simple, but it does a solid job of fulfilling its purpose, which is to keep track of life, allow players to roll dice, and support 2-4 players at one table
There are a few aspects that hold it back from being more complex and competitive, namely a lack of card draw and ways to mount a comeback and counter the opponent, but those issues may be alleviated as the game evolves
Speed, survival, and web-slinging each want your creatures to deal damage and last beyond the combat phase, and it so happens that evasion also greatly reduces your opponent's ability to kill attacking creatures with combat damage
A popular trick is to use Invasion of Alara to play Bramble Familiar's 7-mana 'Fetch Quest' Adventure for free, and build up an impossible lead
One of the aggressive decks in the format, this one aims to go wide with lots of 1/1 rat tokens and swarm your opponents