However, its secondary effect is where the Information Gain lies: This attack does 30 more damage for each Energy attached to all of your opponents Pokmon. In a meta dominated by high-energy Ancient and Future decks, or the upcoming Mega Rayquaza ex which requires 4-5 Energy to swing, Mega Mewtwo Y ex can easily hit for 360+ damage for a three-energy investment
These cards are referred to as mass removal, board wipes, or board clears.
This Leyline isnt a must-have for token decks as it can be replaced with cards like King Darien XLVIII and Eldrazi Monument, and it even pumps your opponents' tokens, which is usually a no-go
They often form the backbone of Limited decks, provide basic removal and combat tricks, and occasionally become format staples that punch way above their perceived power level
It just takes 6-7 more turns for the game to end
Sapling of Colfenor Sapling of Colfenor is another commander that works with walls to provide a stream of card advantage