For example, when determining your opening hand, you tap the respective button to keep or mulligan, and if you choose the latter, you tap to select and drag cards to your library from your hand
Having this in your hand without enough creatures in play sounds absolutely miserable, so I wouldnt bother running this at all
You get Coveted Prize as a spicy tutor, Spoils of Adventure as great card draw, and Practiced Tactics for cheap removal
Realistically, its very unlikely that this format will die out overnight, especially with how quickly events are selling out
Use MTGJSON when you want to host the data yourself, need offline access, or are building a custom search engine
Lands are often overlooked in many strategies, but as the lifeblood of the game, it can be a tremendous help to bring lands back from the graveyard