Before you Synchro Summon this card, feel free to equip a "Noble Arms" Equip Spell Card to the non-Tuner monster and use its effect if possible. Assuming that that "Noble Arms" card wasn't destroyed once during that turn, you will be able to re-use the unique effect of the "Noble Arms" card once it re-equips back to this card (when it is Synchro Summoned).
If you control a "Noble Knight" Normal Monster and you activate this card's 2nd effect, search for "Noble Knight Gawayn" so you can later Special Summon it to Xyz Summon a Rank 4 Xyz Monster.
Use "Vylon Sphere" to Synchro Summon this card, as its combined effects will allow you to equip a "Noble Arms" Equip Spell Card from your Graveyard to this card.
Assuming the Special Summoning conditions for "Unknown Synchron" are in place, and that you have a Level 4 "Noble Knight" monster in your hand without having Normal Summoned yet this turn, you can instantly Synchro Summon this card.
Use "Reinforce Truth" to Special Summon a Level 1 Warrior-Type Tuner monster from your Deck, ideally during your opponent's End Phase, and then Normal Summon a Level 4 "Noble Knight" monster in your hand to gain instant access to this card.