There's no limit on this, and where this is a problem is that anyone draws the cards, not just you, so this is strongest in decks that have self-sacrifice engines like Vampiric Rites
In fact, with this mod, it's not uncommon to see a single customer clearing out entire shelves
[Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) Card Set(s) -PARAMOUNT WAR- [OP02] CARD VIEW OP02-114 | SR | CHARACTER Borsalino Attribute Special Block icon 1 Effect [Opponent's Turn] This Character gains +1000 power and cannot be K.O.'d by effects
Divine Intervention is actually a little bit more interesting with all the proliferation weve been getting thanks to Mothers invasion of the Multiverse throughout All Will Be One and March of the Machine
Theres a part of me that wishes we got a more powerful and efficient Junk engine, but in general, the power level that these decks came in at strikes me as the right way to go about this sort of thing
You can copy your opponents best creature, perhaps a Titan or a dragon with a powerful enter-the-battlefield effect, swing with it immediately thanks to Haste, and then still have a functional mana rock for your future turns
