Planeswalkers have not been great recently, due to being banned and/or the drop in printed power level
#5 Cubone/Marowak - so we are depending to Zoroark to hit a decent numbers for a single energy
As much as there are quite a few conditions in this card, I find it to be well worth at least trying to make work
The other Tear monsters Reino or Diviner
While this doesn't win the game on its own, we can dump this mana into various outlets, flipping over our library with Genesis Wave, winning on our upkeep with Helix Pinnacle, or making our creatures infinitely large with Nylea, God of the Hunt
Once the card is activated, you may use the card, or use its effect, or activate the effect. These are all synonymous terms but are different from activation of the card (which still means flipping the Trap Card face up)