Dexia, Ethereal Twin Prince (TUS-062 MR) [The Underworld of Secrets]

[Quickcast] "Dexia's Determination" As long as this card is in the field or your "Possession" EX Area, the first time each turn an automatic ability with the trigger condition "when this card leaves the field" of an Ethereal resonator you control that does not share a name with this card would trigger, it triggers twice instead. Each turn, only the effect of one"Dexia's Determination" ability you control is applied. [Enter] You may put an Ethereal resonator from your hand into the field, then banish it. If you do, draw a card. When this card leaves the field >>> Expand your "Possession" EX Area by one space until end of game.