![Whir of Invention [Mystery Booster] Squid Source 1: Legions booster pack](https://cdn.shopify.com/s/files/1/1629/7453/files/e6e08ac3-d01a-53bc-ba9d-e5f54f3b5ac7.jpg?v=1768422620)
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Source 1: Legions booster pack purchase bonus (2003)
Set: Fifth Edition Type: Artifact Rarity: Rare Cost: {2} At the beginning of each player's draw step
and influence
When Cavalier of Dawn enters the battlefield
Whir of Invention [Mystery Booster] Squid Source 1: Legions booster packSet: Mystery Booster Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.
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