you prob don't need anti-magic arrows. it's just there coz this deck is for general use. dragon, gravekeeper dude, and jars are just for milling your deck. you can substitute anything that let's you draw. equip the swords to gate guardian and you only need to attack once at last turn.
This is a great deck. It is not perfect, but it can still get 6-8k points. Once Lost World is up, since it special summons Dino tokens. In that case, you will be forced to damage him to low health so that he will not 🔥 the tribute summons for the Dragons. I used Solemn Wishes and Goblin Thief for some healing