Being able to ramp untapped lands throughout an explosive turn can count toward storm and mana
Sacrifice the token at the beginning of the next end step
These are transforming double-faced cards that emulate the flavor of a human turning into a werewolf at nightfall on the plane of Innistrad, Magics gothic horror plane, an unsettling place where vampires, spirits, zombies, and werewolves own the night
The Engineering Benefit: This coating seals the ink, preventing oxidation and allowing for a higher "ink density." This makes blacks deeper and colors more vibrant
On the other hand, in three-, four-, or five-color decks, playing any non-basic land that only taps for a single color of mana is a big cost
Even in an unfocused deck, the sheer volume of Treasures and other sacrifice-based effects in Commander makes it legitimately scary