mtg cards like rise of the dark realms – Proxy R Us Put all creature cards from all graveyards onto the battlefield under your control. Magic the Gathering Foundations Mythic

Playing characters without items in play means their abilities go to waste

Legendary Planeswalker - Kaya Mrton Stromgald Whenever Mrton Stromgald attacks, other attacking creatures get +1/+1 until end of turn for each attacking creature other than Mrton Stromgald

Its only good if you care about getting cards into your graveyard but it does so incredibly efficiently

A classic car

So you could have a few characters out on your board, make them exerted by questing or challenging, then play a character with Bodyguard and exert it on that turn

General Kreat makes a Goblin token that enters tapped and attacking anytime you attack with a Goblin, and then any time another creature enters the battlefield under your control, Kreat also damages each opponent for one