Traditional holos only appear in the rare slot of booster packs, while reverse holos have a guaranteed slot and can feature any card from common to rare
IDK if you were aiming at getting Infernoble Knight support, but sadly it doesn't work from a flavor standpoint
Once you have, say, 500 coin flip activations on the stack, pass priority and let them resolve
Kefka, Court Mage // Kefka, Ruler of Ruin I just wrote a deck around this Grixis leader you can find here - ( This five-drop 4/5 transforming body has an attack trigger to make everyone discard - you too, but no worries since you'll draw equal to the number of card types discarded
If you leave Lumbering Falls and four other lands untapped, it's going to be difficult for weenie creatures to attack into you, whether or not the opponent has a removal spell in hand