Chaos Origins

If you control an "Artmage", "DoomZ", or "Elfnote" card: You can Special Summon 1 "Medius the Pure" from your hand or Deck. Your opponent cannot activate cards or effects when that monster is Special Summoned. You can banish this card from your GY, then target 1 Fusion, Synchro, or Xyz Monster in your GY; Special Summon it to your zone a Link Monster points to. You can only use 1 "Theorealize Past Lull" effect per turn, and only once that turn.

Theorealize Past Lull

Battles of Legend: Glorious Gallery

If you control "Medius the Pure": Add to your hand or Special Summon 1 monster with 300 ATK/200 DEF from your Deck. During your Main Phase: You can banish this card from your GY, then target 1 face-up monster you control; it is treated as a Tuner this turn. You can only use each effect of "Theorealize Liberation" once per turn.

Theorealize Liberation

Target 1 "Medius the Pure" in your GY or banishment; Special Summon it. During your Main Phase: You can banish this card from your GY, then target 1 face-up monster you control, and declare a Level from 1 to 10; that monster becomes that Level until the end of this turn. You can only use each effect of "Theorealize Overdrive" once per turn.