Then there's Deploy the GatewatchDeploy the Gatewatch, which isn't quite a tutor, but does provide on-theme card advantage
However, you do have access to some of the best artifact removal in the game which, when paired with Liquimetal Torque, can also become much more flexible
I always seem to write about The Immortal Sun, but the pure power level of the card is through the roof for any creature-based deck
Magic: The Gathering inspires some of the most passionate collectors and community members around, and those fans deserve more than a pixelated printout from a home inkjet
New Pokemon cards are released quite often, with several new sets appearing each year
Fetchlands This may be an obvious choice but I think the Onslaught fetchlands are important not only for Modern and Legacy, but also for Standard