Challenger decks are 60-card decks that are designed for play in a format called Standard
But can we create a contained environment where, from time to time, people can have the experience of playing a deck with only spells
There isn't always room
Hearkening back to Dawn of the Dead, the ESZ has an ability called last strike, which is exactly what it sounds like: If it fights another creature, it goes last
Plus, despite being three colours, two of those symbols are hybrid mana symbols, which means you can cast these using only red mana
Perfect for dumping your hand onto the battlefield, Ghalta, Stampede Tyrant delivers massive swings of green creatures