Total War

Roll a D20 & add +2 for each opponent &
for each Signature Scheme that you played.
[1-4] All players Cascade 4 (Mana 4 or less)
[5-8] You alone may Cascade 4 or draw 2
[9-12] Dido above & you may do both
[13-16] Dido above except you Cascade 7
[17-20] Dido above & may play a random
"Signature Scheme" without paying its cost.