First up, the fair use: Spend a turn casting this enchantment and another turn to activate it, then get an extra combat with the creatures you somehow still have despite spending entire turns getting Assault online
All of the cards in Jumpstart: Historic Horizons - over half of which are appearing in Arena for the first time - can be crafted from wildcards or collected by playing in associated events
Three decades of rich lore contribute to MTG 's strong identity, like the stories of the iconic Planeswalkers Urza and Chandra, the Phyrexian invasion of the multiverse, and the Gatewatch -- MTG 's answer to The Avengers
Thats where Precon decks come in
This allows for lightning-fast rematches or, more importantly for the competitive crowd, the ability to swap decks or make sideboard adjustments without having to restart the entire invite process
The Dissension version of Hallowed Fountain is the only version with that specific piece of art, for example, and that is part of why its worth so much
