Dig Through Time This is a Delve-powered card selection, and clearly one of the best blue cards MTG has ever designed for finding exactly what you need
If you wanted to lean into stax, you could probably keep a Kithkin subtheme, and it might be amusing to lock everyone down and then kill them with such an unlikely and underappreciated type of creature
It helps you draw cards even if it can't fully utilize its three great keyword abilities
Gaining 5 life for 3 may be the worst individual option on any charm, but this takes out Toski, Bearer of Secrets when you need to
L5R would also often add new gimmicky victory conditions in expansions, such as opening enough of the 12 Black Scrolls either before (7) or after (12) the event The Darkest Magics comes up to revive the Dark God Fu Leng, or seizing control of (playing) all 4 Walls of Otosan Uchi before the event The 38th Hantei Falls comes up to effect a coup
Surface Card surfaces are the most important element of a card