yugioh vylon cards YU-GI-OH! - Disigma (HA06-EN052) - Hidden Arsenal 6: Omega Xyz - 1st Edition 800/800 Vylon Epsilon | Card Details

Because Kenrith can draw cards with a repeatable effect, as soon as a Kenrith player sets up an infinite mana combo, they essentially win the game

And there is a similar concept in Chains of Mephistopheles

And then the uncommon artifact is a 2-drop that will stop non-lands from arriving to the battlefield from libraries and graveyards and I don't have anything this would care about

You can play Cold Feet, then chain Mystical Refpanel to apply the effect to your opponent instead, effectively mimicking the effect of Cold Wave

Now, with Leyline Tyrant, you can use the mana from Firebend to cast sorcery speed spells as well