pokemon card seaking - (28/162) - XY Breakthrough Stage 1 Seaking 045 SV06 Twilight Masquerade

Professional Face-Breaker (impulse draw), Prosper, Tome-Bound (card access from exile), Goldspan Dragon (mana doubling), Magda, Brazen Outlaw (tutor for any artifact or Dragon), and Revel in Riches (win condition) are the most impactful

Any time a land is on top of your deck, you can play it to try to get to a creature to manifest

Play boosters replaced them as a single unified pack type that works for drafting, sealed, and casual opening

Put another way: Two years ago, Nekusar, the Mindrazer decks became all the rage and some cards saw significant gains

There are other Commanders, including Kellan, the Kid, that reward you for casting spell from exile, making Gyatso a decent inclusion in some 99s