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Its cheap, holds most things back on turns 3-5, and can help you make better decisions along the way

For Gruul mana-fixing, I recommend prioritizing dual lands that count as both Forests and Mountains: Cinder Glade, Stomping Ground, Sheltered Thicket, and Taiga (if you're willing to spend lots of money) add layers of extra synergy to the deck because they can be fetched by lands (Wooded Foothills) and spells (Wood Elves) while also empowering cards that care about land types like Valakut, the Molten Pinnacle and Howl of the Night Pack

Have at least one more Energy, and that value goes up to 80 DMG

Blinking, or more commonly flickering, is where you exile a creature only to bring it back immediately or at the end of the turn