During your Main Phase, you can Normal Summon 1 "Medius the Pure", in addition to your Normal Summon/Set (you can only gain this effect once per turn). You can discard 1 Spell/Trap, and declare 1 "Artmage" Monster Card name that is not among the monsters you control and has not been declared for "Artmage Academic Arcane Arts Acropolis" this turn; add that monster from your Deck to your hand, also you cannot Special Summon for the rest of this turn, except "Artmage" monsters, "Medius the Pure", or from the Extra Deck.
During the Main Phase: Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field, including an "Artmage" monster, and if a card is in the Field Zone, that monster gains 500 ATK. During your Main Phase: You can banish this card from your GY, then target 3 "Artmage" cards with different names in your GY; shuffle them into the Deck. You can only use each effect of "Artmage Masterwork -Succession-" once per turn.
If your opponent controls more monsters than you do: Special Summon 1 "Artmage" monster from your Deck in Defense Position, with a different name than the cards you control. If this card is sent to the GY to activate the effect of "Artmage Academic Arcane Arts Acropolis": You can add 1 "Artmage" Trap from your GY or banishment to your hand. You can only use each effect of "Artmage Movement -Pedigree-" once per turn, also you cannot Special Summon from the Extra Deck the turn you activate either of this card's effects, except Fusion Monsters.
When this card is activated: You can add 1 "Medius the Pure" from your Deck to your hand. You can target 1 face-up monster you control; if that face-up monster would be used as Fusion Material this turn, it can be treated as an "Artmage" monster. You can only use this effect of "Artmage Vandalism -Assault-" once per turn. If "Artmage Academic Arcane Arts Acropolis" you control would be destroyed by card effect, you can send this card you control to the GY instead. You can only activate 1 "Artmage Vandalism -Assault-" per turn.
Place 1 "Artmage Academic Arcane Arts Acropolis" from your Deck or GY, face-up in your Field Zone, or if you control "Artmage Academic Arcane Arts Acropolis", add 1 "Artmage" card from your Deck to your hand instead, except "Artmage Varnish -Alteration-". When your "Artmage" monster is targeted for an attack: You can banish this card from your GY; negate that attack, then you can Special Summon 1 "Medius the Pure" from your hand. You can only use each effect of "Artmage Varnish -Alteration-" once per turn.