Dive Into the World of Trading Card Games in Japan
If heads, prevent all damage done to Kakuna during your opponent's next turn
In theory, you could play Invasion of Xerex to bounce something, use Yorion to blink the battlefield, and then use the battle to bounce Yorion, Sky Nomad, which would essentially let you blink your entire board each turn if you had enough mana
Pikachu variations for Base set were decently noted from the start, if you checked a couple of different sources
You can normally only ink once per turn
You have to be pretty sure you can make those extra mana at the top of the curve, that or you have a selection of effective cheat in mechanisms