Cytania, Great Spellmage

: At the start of your upkeep, you may pay{4}{u}, if you do, you may choose two abilities from this Planeswalker instead.
+1: Cytania, Great Spellmage has Arcanashield until the end of turn. (-1 ability: Cytania, Great Spellmage has Warshield until the end of turn)
-11: You get an emblem that says, "All creatures you control have both Arcanashield and Warshield. You may use both, only once each turn."