This thing is going to be a staple in decks that like to mess with EtBs, flicker creatures and even in dedicated vehicle decks
Somberwald Alpha
Obviously, it doesn't revive Xyz or Link monsters, so the usefulness is somewhat limited
These nine cards were huge contributors to this, since youd have spells like Ancestral Recall, letting you draw three cards for one Blue, or Time Walk, that gave you an extra turn
shuffle into the Deck, "Vaalmonica" cards from your face-up Extra Deck, GY, and/or banishment, except "Vaalmonica Ereditare", up to the number of Resonance Counters on your field, then you can draw 1 card for every 3 cards shuffled
(2022-02-18) If Iron Apprentice has -1/-1 counters on it when it dies, the last ability will include those as well