Is Convoke an Additional Cost
Tapping all your mana dorks to cast this spell, then giving them +3/+3 and untapping them so you can attack ends games

Story Episodes 9 and 10 : January 1718 Commander Deck Previews : January 24 Card Image Gallery and Previews Complete : January 26 MTG Arena Release : February 6 Global Tabletop Launch : February 9 Murders at Karlov Manor Gameplay Events RavnicaDetectiveAgency.com Launch : January 16 Prerelease at Your Local Game Store : February 28 WPN Game Store Open House : February 911 Friday Night : February 9 March 29 Magic Standard Showdown : February 9 April 4 Commander Party : February 1618 MagicCon: Chicago and Pro Tour : February 2325 Murders at Karlov Manor Ravnica: Clue Edition ( : February 2325 Ravnica: Cluedo Edition ) Launch Party WPN Store Championship : March 210 A Puzzle for Players to Solve As the exciting conclusion of the story finishes this week, players can turn their attention to explore puzzles printed across Murders at Karlov Manor products and the contents within
Brian Braun-Duin (@BraunDuinIt) June 16, 2016 Fair enough, Brian
The game descended into a topdeck war of extremely swingy proportions, as my Braingeyser for 5 and Ancestral Recall put me 6 cards ahead, only for Richard to cast Balance as a 10-for-1, destroying all 8 of my lands, plus Flying Men, plus a card discarded