I mean, without that restriction, he'd immediately go infinite by himself, so it seems like we're stuck playing by Wizards ' rules
You can also check out some of Mark Rosewaters commentary on shield counters and how they developed
2I suggest refining your advice toward translation
Also, Arceus/Duraludon is, at least at first glance, still playable post-rotation, though maybe not as good
Retreat: C Weakness: W Resistance: None ------------------------------------------------------------------------------ Moltres C14 - Rare Type: Fire Evolution: Basic Pokemon Level: 35 HP: 70 R - Wildfire Effect: You may discard any number of R Energy cards attached to Moltres when you use this attack
A Whole New World, when timed correctly can refill your hand and force your opponent to discard cards that they probably want to use, cycling through their deck quicker, a staple card in Mill decks