Less cards means statistically drawing into your most important cards faster
For example, Grass-type decks are focused on placing as much energy on the board as possible so that they can deal massive damage later in the game, while Psychic-type decks focus on attacking the opponent's Pokmon on the bench while strategically setting up an elaborate board
As in if you Giant Growth the Selkie against your resident Island player, thanks to islandwalk you just turned the famous green instant into an Ancestral Recall
Abilities that create replacement effects, such as a permanent entering the battlefield tapped or with counters on it, can't be targeted
The deck doesnt do much wrong, but little goes right, with an excessively high curve that includes cards like Myr Battlesphere and Legion Loyalty that arent at their best in the aggressive shell
What keeps it fresh is the balance between tempo and risk