Using the Book of Vile Darkness in combination with the Hand and Eye of Vecna, you can call him forth as an 8/8 indestructible Zombie God who can draw you cards, create Zombie tokens, and buff himself or another creature once per turn
As early as turn two (as crazy as that seems) you can get this character into play and start using its Circle Far and Wide ability to draw cards whenever your opponent draws
Whenever you cast a creature spell, you may search your library for a Forest or Plains card, put it onto the battlefield tapped, then shuffle
Gavin Verhey from Wizards of the Coast explains Heroes of the Realm 3.0 3.1 3.2 Comment by u/Wizards_Drew on r/magicTCG on Reddit Outside of a unlisted rule for the Commander format that the original recipient of a Heroes of the Realm card is allowed to use it
6 Jace, Wielder of Mysteries War of the Spark introduced static abilities on Planeswalker cards, which made Jace, Wielder of Mysteries an alternative win condition for some decks
Retreat enchants one of your lands and passively adds additional mana and card draw, usually once per turn