Sigarda is incredibly hard to remove, especially if you have access to wrath protection like Yavimaya Hollow, Robe of Stars, Teferis Protection and the like
Many of the best sacrifice outlets are just ways to exchange tokens for mana or cards, and you need to get considerable fodder in play to even set those up
Look for the 1st Edition stamp on the left side and the absence of a shadow around the card image
MTG Lost Caverns of Ixalan Vampire deck Then there's Blood Rites, led by Clavileno, First of the Blessed, which is seemingly all about sacrificing vampires to make demons
I started with the water deck, because my favorite type has always been water, and I started looking through it
Lava Spike is great for starting to dwindle down the opponent's life, with its low casting cost allowing you to start burning early