Knowing when to quest, when to challenge, when you use your actions, etc
It's generally a losing plan) Red Blood Moon Roast Chandra, Pyromaster Young Pyromancer Skullcrack Honorable mention: Outpost Siege It's a trap!: Through the Breach (Explosive when it works, but too reliant on card synergies
Card Text:Heal 60 damage and remove all Special Conditions from 1 of your Pokmon
Ulamog and Kozilek were killed by the Gatewatch, but Emrakul traveled to Innistrad and started morphing and corrupting it
Can you imagine beating an army of dinosaurs that can fly
For example, card draw (Cunning Rhetoric, Enchantress's Presence) removal (Grasp of Fate, Cast Out) and bodies (Sigil of the Empty Throne, Sandwurm Convergence)