Each Set Booster contains 12 Magic cards, 1 Art Card, and 1 token/ad card, Helper card, or card from The List (a special card from Magic's historyfound in 25% of packs)
After starting the Modern border with Mirrodin, that block also introduced an ability called indestructible that prevented your creature from dying
The pool of Songs, Actions, and Items will be relatively thin but if you have enough Characters with their own abilities, they can act as Actions themselves
You'll have the Magic cops on your back, and those guys don't mess about
Cycling a card costs one mana these days, and that's all you need to trigger Astral Slide
Be sure to include protection for Jinnie Fay, as without her, you'll be dealing with a random assortment of token types that don't have many synergies together