If you control an "Artmage", "DoomZ", or "Elfnote" card: Special Summon 1 "Medius the Pure" from your hand or Deck, also 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 "Pasto-Ral Theorealize" effect per turn, and only once that turn.
Send 1 "Medius the Pure" from your Deck to the GY; look at the top card of your opponent's Deck, and place it on the top or bottom of the Deck. You can banish this card from your GY, then target 1 face-up monster you control and declare 1 Monster Type and 1 Attribute; that monster becomes that Type and Attribute, until the end of your opponent's turn. You can only use each effect of "Theorealize" once per turn.
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.
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.