Goblin Tutors Goblin Matron, Goblin Recruiter, Moggcatcher Goblins have been a force to be reckoned with in Commander for over a decade, traditionally headed by cards like Krenko, Mob Boss to make dangerous swarms or Purphoros, God of the Forge to inflict massive damage to the table in and out of combat, but plenty of other color combinations and strategies are quite viable too
Players will receive the same card set for each starter pack in every reroll
Nature's Claim gives the opponent some life, but there are plenty of decks that couldnt care less about a little life if it means destroying something like Leyline of the Void
The Motherlode, Excavator Mono-red just lacks the energy production to fuel The Motherlode, Excavator, and its a pretty weak payoff anyway
Even Amazon sells Pokmon booster boxes, but you will, of course, be limited to the whichever sets are currently in circulation
Flayer of the Hatebound will keep sending damage wherever you choose as creatures leave your graveyard via Terra, Sun Titan, or any other effect