That free, instant speed sac outlet on Silvar encourages some level of aristocrat synergy into the deck with popular aristocrat payoffs Judith, the Scourge Diva
In the same breath, a deck that has Selvala, Zaxara and Faeburrow Elder should be careful with effects like Freed from the Real or Pemmins Aura
At a table where Urborg, Tomb of Yawgmoth is on the field and all lands are Swamps, Karma and Royal Decree deal damage based on every land in play
And thats a nice bonus, but were really here for the 2 energy on artifact ETB, which allows this card to go infinite with a lot of the other cards including Decoction Module and Whirler Virtuoso
There have been some crazy decks, incredible matches and timely top-decks all over the years
stuff triggers, but most commonly, your opponent will cast something at instant speed to mess with you at the end of your turn