Ashnods Altar, Altar of Dementia, and the Eldrazi Monument give us three options for sacrificing creatures
Lethal Scheme is by and large a free spell, and we know how powerful those can be
Glin, Dwarf Emissary Lord of the Rings Glin, Dwarf Emissary is a very interesting Treasure-related commander, allowing us to sacrifice Treasures to goad creatures
You can tailor your deck differently of course, just know that theres a bit of a stigma against superfriends decks
After New Phyrexia's defeat, the remaining Simic discovered that, out of all the creatures they experimented on, only a few had survived untainted by compleation
These Leaders are so powerful theyve been banned