If you can't attack with anything, or you can't attack with much, I'd roll precombat to see what happens
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A: The best Pokmon cards to get graded are rare, high-demand, or near-perfect condition cards, especially vintage holos or modern chase cards
1 Pokemon Center: WoTC Promo (Promo) $800.95 A Piece Of History This valuable WoTC era promo takes the cake as the most expensive Trainer card ever, thanks to its distinction as one of two cards distributed to commemorate the 2001 opening of the now-closed Pokemon Center location in New York City
You sharpie Jace onto a basic Mountain, and voila: that card is a proxy
On the other hand, refusing to block would make World Shaper a cheap source of damage and self-mill each turn