In fact, it works best in the early game as most players are casting cheap Artifacts like Sol Ring and may not be able to pay the extra 1 Mana to prevent you from drawing a card
It doesn't copy whether that creature is tapped or untapped, whether it has any counters on it or Auras attached to it, or any non-copy effects that have changed its power, toughness, types, color, etc
Crystal of Altar Cave (Chromatic Lantern) Rating: 1/10 Mana rocks arent really necessary in a 2-color format
Imagine you were always shuffling up against Ayli, Eternal Pilgrim decks with the same mechanics and cards for support with very little deviation from one deck's card list to the other
Sure, you'd rather save your creatures with counters on them instead, but being refunded a few extra cards isn't too bad of a consolation prize if you can't dodge a board wipe
So, what can you find inside Murders at Karlov Manor Play Boosters