Artorigus, King of the Noble Knights [CBLZ-EN086] Ultimate Rare Synchro/Tuner Monster and most of those monsters

and most of those monsters are Level 4

Set: Duel Terminal 7 Card type: Xyz/Effect Monster Rarity: Super Rare Attack: 950 Defense: 1950 2 Level 4 DARK monsters When your opponent Special Summons a monster(s): You can detach 1 Xyz Material from this card

Set: Galactic Overlord Card type: Xyz/Effect Monster Rarity: Ghost Rare Attack: 4500 Defense: 3000 3 Level 8 monsters When this card is Xyz Summoned using "Galaxy-Eyes Photon Dragon" as one of its Materials: Negate the effects of all other face-up cards currently on the field

add 1 Zombie-Type monster with 1200 or less DEF from your Deck to your hand

you can remove from play 1 "Nordic Ascendant" Tuner monster from your Graveyard to Special Summon this card from the Graveyard

Artorigus, King of the Noble Knights [CBLZ-EN086] Ultimate Rare Synchro/Tuner Monster and most of those monstersSet: Cosmo Blazer Card type: Xyz Effect Monster Rarity: Ultimate Rare Attack: 2000 Defense: 2000 2 Level 4 "Noble Knight" monsters When this card is Xyz Summoned: You can target up to 3 "Noble Arms" Equip Spell Cards with different names in your Graveyard; equip those targets to this card. Once per turn: You can detach 1 Xyz Material from this card; destroy any number of Spell Trap Cards on the field, up to the number of "Noble Arms" Equip Spell Cards