So you should use cards like "Gravity Bind" and "Swords of Revealing Light" to protect them from being attacked, leaving you free to inflict Battle Damage to your opponent during your turn over and over again
An ornate design inspired by the lavish Mystical Archives frames
The flip-Jace is often found in Monastery Mentor decks because it's cheap, blue, and it replays your broken cards
Just because Konami makes cards that can nullify costs, cards like Judgment Dragon, and other things that aren't exactly stellar design doesn't mean it's automatically ok to do so yourself
VRAINS anime series features Speed Duels, with the difference that Skills are special abilities of the Duelist that can be used in most situations but once per Duel, rather than cards that must be played during one's Main Phase (for example, the protagonist Yusaku can generate a random monster when his Life Points are below 1000)