This legendary enchantment-land duo is great for giving you a boost in the early game
Its indestructible by battle or card effect, meaning any card effect that would destroy this thing is useless
If the player's field and GY is set up with these "Labrynth" cards, removing a single monster with a Normal Trap can trigger all of these Trigger Effects at once, generating a massive amount of advantage
this isn't another "blink" spell
Soon after, the deck became not only the best deck in Standard, but the only deck in Standard
That ability is "when the last defense counter is removed from this permanent, exile it, then you may cast it transformed without paying its mana cost." This means that if for any reason a battle enters the battlefield without defense counters, it will be put into the graveyard and its controller will not get the chance to exile it