RELIC RETRIEVER Relic Retriever hits the sweet spot for a mana producing creature
Getting to dig for an artifact or enchantment and bringing it in with a shield counter is nice, and similarly, putting perma-buffs on your creatures or Commander is good too
Disney Lorcana: The First Chapter Gift Set Swipe to scroll horizontally This pack doesn't get you a ready-to-play deck, but it does include two oversized, collectible foil cards and two regular-size playable foil game cards of Mulan Imperial Soldier and Hades King of Olympus
When you do, put any number of target creature cards with total mana value X or less from graveyards onto the battlefield under your control, where X is the results
Pro tip: aggressive red decks should not be playing any five-drops
Once you've completed Tomb of Annihilation, Acererak's attack trigger becomes difficult for opponents to deal with