This means that as long as you have a way to discard cards at any given time , you can cast madness sorceries, enchantments, and creatures at instant speed
Because there were only 1,100 copies of each rare printed, its not very hard for a single person to buy up 10% or 20% of the entire print run
Crushing Canopy: Similar to Crushing Vines but with 'enchantment' being 'artifact' in the older card
It also has zero mana cost to play so in theory, it can accelerate your available mana hugely in the early game, at least if you build multiple copies of the card into your deck and draw them quickly
The same is true for hands with four or more lands, as long as they have an early play
Aetherflux Reservoir can dome an opponent for fifty damage, which hopefully is enough to take someone out of the game