Neon Dynasty flips this around a bit by having sagas specifically reference cards from the old Kamigawa set
However, you won't be totally helpless early in the game because of cheap Sagas like King Narfi's Betrayal that let you plan how to spend your mana ahead of time by revealing a ton of juicy options to you
Id also be a fool to not run snow cards as a sort of sub-theme
2000 1st Edition Team Rocket Holographic Dark Charizard PSA 10 Recently Sold for $7000 [Source] What Makes The 1st Edition Holographic Dark Charizard So Valuable
(4/15/2013) Activating the ability that turns the Keyrune into a creature while it's already a creature will override any effects that set its power and/or toughness to another number, but effects that modify power and/or toughness without directly setting them will still apply.
Shining Tyranitar's first move, Mountain Crush, deals minor damage, however, is better used for its secondary effect of sending random amounts of cards from the top of the enemy's deck straight into their discard pile