This transformation is emboldened by flavour text on the bottom of each card, showing where the characters have started to where they have gone
End Phase End of Turn step: The most significant tactical aspects of your opponent's end of turn step are that their chance to play non-instants has expired and that it is your last phase before you untap
Like Grave Upheaval (and conveniently fitting in the same Simic decks), this card doesn't seem all that special at first glance, but once you've experienced locking down all your opponent's lands during each of his upkeeps, you'll understand
The basic effect just gets you so much card advantage, and it can even be used as a win condition in some niche scenarios, milling an opponent out
The best among these is Unshakable TailUnshakable Tail, which surveils once every turn, makes Clues, and can come back from the graveyard as needed
Jumbo Catuar