If your deck is predominantly responsive then Memory Lapse will under perform for you but is still viable just an early tool capable or drawing out the game
Theres a huge drop from Koskun Falls, an admittedly niche playable, to the next most powerful cards in the set
Any artifact deck would love a crack at building so much board presence, and its one of the strongest artifacts to copy due to how well it stacks
Morbid triggers come easy in this deck, so we can churn out Demons with Skirsdag High Priest and kill stuff with Reaper from the Abyss
You can check it out here - (Animating Commander with Katsumasa | Article by Abe Sargent (coolstuffinc.com)) Today I am building around this popular leader who already has 1,268 decks registered over at EDHREC.com
You need ways to sneak Tana past opposing blockers, but red has plenty of effects like Goblin Smuggler to help with that