Janjeer Sentry: [Category 2] ETB yield is 2 Energy for 3 mana, then you can spend 2 Energy to tap or untap a creature or artifact
It also comes with a Greninja pin as well as a normal-sized and jumbo-sized Greninja-GX promo card, SM197
Its also a really nice thing to have up on turn 1 on the play against Rakdos Evoke while being more flexible than Stern Scolding
However, Pack Hourglasses can speed up this cooldown, allowing you to instantly pull for more characters
Rather, the effect making it an Aura spell ends, it loses enchant creature, it returns to being an enchantment creature spell, and it resolves and enters the battlefield as an enchantment creature
Mistake 2: Buying all three at once to "try them all." Mistake 3: Buying a starter deck and no upgrades, then getting stuck