The main plan is to overwhelm opponents with land-based strategies using finishers like Valakut, the Molten Pinnacle, backed up by enablers such as Prismatic Omen and Dryad of the Ilysian Grove
Cards" "Character Cards" "Event Cards" "Stage Cards" in addition to "Leader Cards"
These cards are either great at dishing out the -1/-1 counters (in the case of the Mentor) or interacting with creatures that already have them
Mirri also helps cover you in the aftermath of an attack, allowing opponents to only attack with a single creature as long as Mirri is tapped, mitigating the damage the Mirri player would likely sustain in a potential counterattack
Sorin, Imperious Bloodlord activates its -3 ability to play your Bloodthirsty Conqueror from your hand on turn 3 after you dropped Starscape Cleric on turn 2
I dont find Thundering Spineback particularly tempting, however