Kazuul's Fury lets you sacrifice a creature and deal damage to any target based on that sacrificed creatures power
Honorable Mention - Sliver Overlord, Sliver Hivelord, Sliver Queen, Sliver Legion Because they are the one tribal deck that plays so similarly, has the same slate of Slivers each time, and very similar support for them, I find this combo to be very boring, pervasive, and more
Aurelia, the Law Above One of my favorite unnamed mechanics Wizards has been pushing over the past few sets are white spells that draw you cards when you attack with multiple creatures
Promo Card Campaign released during the S4 Astonishing Volt Tackle release which Vivid Voltage is based off
When state-based actions are checked, the saga dies because its reached more than its maximum number of lore counters