The most powerful of them all is a monster that can grab cards from the Deck and negate the activation of an opponents monster effect
Then you could either use this monster as summoning material in your next turn( to make bigger and better monsters), or just leave it there as a wall of defense
Most Rograkh/Kediss decks work in roughly the same way: play Rograkh on turn 1, buff it up on turn 2 with a Dragon's Mantle-adjacent effect, drop Kediss on turn 3, and then dump all your mana into buffing Rograkhs attacks
Twiddle Twiddle is a fine tool if you can copy it, or if you have cards like Orvar, the All-Form that care about targeting your lands
He has 3 Strength, 2 Willpower and 1 Lore, which isnt great by any means
In case youre curious about how it all went down, here are the most important dates for the Magic: The Gathering Final Fantasy Set