Impulse Impulse may not be the strongest card around, especially since it doesnt give you any card advantage, but it shines in combo strategies that require you to find key pieces to win the game or put you ahead
Kaseto, Orochi Archmage fairs worse by eight cards in both categories, having 38 nonlands that go along with the political aggro/Snake goal, 18 of which could see play in a typical Commander night
Stay away from the green lights on the floor to avoid the tornadoes
Don't forget about the clues and lessons that are core to the set, and of course, the legendary characters Appa, Steadfast Guardian, Wan Shi Tong, Librarian and The Lion-Turtle
You'll switch to the double-faced card when the card is on the stack, on the battlefield, in the graveyard, or exiled face-up
Casting big creatures also grows this, combating the general weakness of mana dorks becoming irrelevant later in the game