For one mana you can tap Fluttershy and put a +1/+1 counter on each creature with a tail controlled by a single player, then "stare down" one creature
It can be frustrating, depending on your disposition
Mana Value 3 and Beyond Mana dorks that cost three or more mana are even more diverse in their effects than 2mv dorks
I Wark Create a 2/2 green Bird creature token with "Whenever a land you control enters, this token gets +1/+0 until end of turn." II, III, IV Kerplunk Creatures you control gain trample until end of turn
Now they are well over $25 and probably wont come down too much with this reprint, but its still a reprint and that helps
This Darkness Energy card is part of the Pokemon League promo set, where certain league cards are given out with a shiny foil finish