Update 2-12-2020: Due to popular demand, it will release again on December 18, 2020
Unlike activated abilities that have a cost and a colon, alliance looks for creatures entering the battlefield which could happen in a number of ways, but is not an activated ability
If youre interested in seeing the previous Top 20 lists and the cards I was right or wrong about, you can find them here: The Top 20 Standard Cards from Aether Revolt The Top 20 Standard Cards from Kaladesh The Top 20 Standard Cards from Eldritch Moon Like in the previous lists, the cycle of rare dual lands wont show up here
The Commander format in Magic: The Gathering has players construct decks around key legendary creatures, providing decks with distinct identities and consistency through a constantly available card
If Screaming Nemesis is dealt damage by multiple sources at once, such as by two creatures blocking it, its last ability triggers once and one target is dealt that much damage