This card makes that yet more terrifying, that player now has the option to play anything in response to spells, not just the infuriating counter-spells blue is notorious for
1 Crucible of Fire
Commander 2013 Filter: In Stock Out of Stock Show All NM - Boars Hat Direct, English 1 In Stock All variants Out of stock Lightly Played, English 1 In Stock Near Mint, English 2 In StockLP - Boars Hat Direct, English 2 In Stock All variants Out of stock All variants Out of stock All variants Out of stock Lightly Played, English 1 In Stock All variants Out of stock LP - Boars Hat Direct, English 3 In Stock All variants Out of stock All variants Out of stock Lightly Played, English 1 In Stock LP - Boars Hat Direct, English 1 In Stock All variants Out of stock NM - Boars Hat Direct, English 1 In Stock All variants Out of stock LP - Boars Hat Direct, English 2 In Stock All variants Out of stock All variants Out of stock All variants Out of stock Lightly Played, English 1 In Stock LP - Boars Hat Direct, English 1 In Stock All variants Out of stock
It's a commonly played answer along with other blue defensive cards like Propaganda
The point of this rule is to allow long duels to come to an end definitively and in a fair manner