Its untapped and the movement ability is instant speed, but having to put two creatures into play in order to use it is a strict limitation
If a creature is about to die to something unrelated to Vampiric Dragon, then go ahead and spend two mana to put your mark on the creature, and then when it dies, you'll get a +1/+1 counter
Colorless Pokemon can use any Energy types for attacks
If you don't control your commander as the lieutenant ability resolves, you won't get its effect
SM - Unbroken Bonds Chase Cards & Key Targets Gardevoir and Sylveon GX 205 Alternate Full Art leads SM - Unbroken Bonds at $1231.49, with Greninja and Zoroark GX 201 Alternate Full Art ($399.97) and Lucario and Melmetal GX Secret ($248.99) behind it
In those other formats, decks are often self-evident in strength through tournament metas and standardized lists, but Commander's emphasis on creativity and social play creates a breeding ground for subjective misunderstandings