The best punishers are Spellshock and Manabarbs to deal damage with every spell your opponents cast
This is also great in +1/+1 counter decks since exploring will often net you that as well as in many other decks
They can't be the targets of spells or abilities, their static abilities have no effect on the game, their triggered abilities can't trigger, they can't attack or block, and so on
Really enjoyed it, wish I'd been able to draft it some more
(Subtypes include but are absolutely not limited to: Plains, Equipment, Aura, Arcane, Jace, Curse, Urza's, Ulamog's, etc.) The ability that defines Subgoyf's power and toughness applies in all zones, not just the battlefield
Spiteful Banditry There are actually a handful of board wipes that leave behind Treasure tokens, though Spiteful Banditrys one of my favorites, since it continues to make treasure as creatures die on later turns