Sometimes more, because if you trade and get to cast an Adventure were talking about a 3-for-1 here
Widespread Brutality Prior to LTR, there werent really amass decks, but the newer support makes Widespread Brutality better
Crop Rotation, Deadly Rollick, Culling the Weak, Diabolic Intent, Phyrexian Altar, Ashnod's Altar, and Phyrexian Tower all play a big role in how the deck takes shape, creating several loops where creatures are sacrificed for benefits like infinite ETBs, death triggers, mana, and so on
Maester Seymour* Maester Seymour is still trying to appear nice here, but his monstrosity ability would reveal his true horror form, and the fact that he is a somewhat underwhelming creature until he shows his true face
The other thing that Magic: The Gathering players should take into account is the mana curve or amount of mana each card requires to play and how many cards share that same requirement
Time Walk (Alpha Edition) $26,400$63,000 PSA 10 Gem Mint Why It's Valuable: "Take an extra turn" for two mana