Your opponent is more likely to count your artifacts in play to see how much damage you can do if you already have Ravager or Plating in play, so by holding it when its not too useful on the board (say, if there are some blockers on the ground), you get to surprise your opponent with it when they use their mana on something else
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The Scarab God is a slam dunk for tribal Zombie decks since you get to leverage that upkeep trigger as much as possible
But today, we can cheat this into play by blinking the morph, or with abilities from legends like Kaust, Eyes of the Glade or Yarus, Roar of the Old Gods
Raid At the beginning of your end step, if you attacked this turn, return target creature card with mana value less than or equal to Alesha's power from your graveyard to the battlefield
Notably, Abra evolves into Kadabra and eventually into Alakazam, a powerful Pokmon renowned for its psychic abilities