Standard MTG thrives on rotation, using cards from the last 5-8 sets
The game adds many new features not present in the original, such as new cards, the ability to play as a female character, a much larger in-game world, and a more developed story (rather than just collect cards and defeat the Grand Masters, the player must defeat Team Great Rocket)
Cards that care about your creatures entering are also excellent synergy pieces
This feature makes it easier to perform repetitive tasks or complex maneuvers in games, helping you to level up faster and play more efficiently
Mana Crypt (Kaladesh Inventions Series) The most valuable Magic card not on the Reserved List, Mana Crypt is valuable for similar reasons as Mana Vault and Sol Ring: it can easily add a lot of extra mana to the mana pool and enable some explosive early plays in a game