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
[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
Beggar's biggest downside is that there's a good chance that it simply wont die when you cast it
In fact, with this mod, it's not uncommon to see a single customer clearing out entire shelves
That all changed with the launch of a mobile app in July 2016
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