Like most Pokmon cards, the value of Lightning Energy depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Black & White)
Each Gandalf the Grey card boasts the same stats and special abilities, but each features different artwork: in one, hes seated and holding his staff as well as Glamdring, his sword, while in the other hes battling the Balrog
The Ikoria tri-lands are great for fixing, count as three basic land types, and can be cycled away at the cost of three mana
When playing for ante, each player puts one random card from his or her deck into the ante zone after determining which player goes first but before players draw any cards
If you play with only basic lands, it won't affect you