Making sure you have a handle on it during the game is all you can do, but if it's a skill you'd like to work out and make stronger I'd suggest any of these commanders as excellent options to up your game.
(They're artifacts with ", , Sacrifice this token: You gain 3 life.") Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.) Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.) Creature - Treefolk Pippin, Guard of the Citadel Vigilance, ward : Another target creature you control gains protection from the card type of your choice until end of turn
I hope you're excited about Set Boosters and will check them out when Zendikar Rising releases in September
Flynn Rider - Charming Rogue falls under the Emerald ink type and has a low cost of 2 ink to play him