All from MTG's earliest sets and banned or restricted across most formats
Playing around with miracles, getting massive discounts on big enchantments, whether cheated in via miracles or by recursion
When it awakens in answer to some inscrutable cosmic call, it rises from the depths to obliterate everything in its path
Discover 5, so a free Cascade that exiles, trigger exile casts, and then you can draw if you don't wanna cast, so this is better
So you can use specific cards like counterspells to stop your opponents from ruining your plans while discarding less important cards like lands to protect your big sphinx from harm
There are two implications to this: First, battle cards with red mana would most likely require additional tricks to effectively transform