Enough people have talked about the short term effects (cheap Standard) by this point, so lets go ahead and sim forward a few years
But this black planeswalkers +1s are easy to use and pay for and getting a larger vampire out for only 3 mana with its -3 isnt a bad trade-off if nothing else
Commander (EDH): A multiplayer format focused on building powerful, themed decks around a legendary creature commander

MAGIC MEETS THE LORD OF THE RINGSExperience the beloved story of The Lord of the Rings with the strategic gameplay of Magic: The Gathering, facing off against opponents in thrilling magical battles EPIC MULTIPLAYER BATTLESCommander is a multiplayer way to play Magic, an epic, free-for-all battle full of strategic plays and social intrigue FOOD AND FELLOWSHIPGet a 100-card White-Black-Green The Lord of the Rings: Tales of Middle-earth deck containing 2 Foil Legendary Creature cards and 98 nonfoil cards INTRODUCES 20 COMMANDER CARDSThis deck introduces 20 never-before-seen Commander cards to Magic: The Gathering COLLECT SPECIAL TREATMENT CARDSEach deck comes with a 2-card Collector Booster Sample Pack containing 2 special treatment cards from The Lord of the Rings: Tales of Middle-earth set, including 1 Rare or Mythic Rare and at least 1 Traditional Foil The Best LotR: Tales of Middle-earth Commander Deck For Value Elven Council currently stands as the best deck in terms of value with a total cost of around 210$ in singles

Overlord of the Hauntwoods Three generic, two green enchantment creature Avatar Horror 6/5 Mythic Rare Impending 4 One generic, two green (If you cast this spell for its impending cost, it enters with four time counters on it and isn't a creature until the last is removed
Considered to be the strongest trainer of all-time, Red's record speaks for itself, and this epic pose on a glimmering background is the perfect portrayal of this Pokemon trainer