When Rancor is put into a graveyard from the battlefield, return Rancor to its owner's hand
Commander Cast Tracker: The tray also includes a commander cast tracker to keep track of the number of times your commander has been cast
Others, like Inkmoth Nexus or High Market, only produce colorless mana
Increased ease of transport has long been critical in human history, from the Mongols using their mastery of the horse to build one of the largest empires in world history, to the automobile creating the blueprint for suburban American life, to the airplane making a global game like professional Magic: The Gathering possible
This cards multiple abilities direct damage, lifegain, killing artifacts, and destroying enchantments makes it very versatile and gives you good mana sinks if your hand is running low on cards