Illusionary Mask (Retro) [30th Anniversary Edition] Number_XY35 "Test 37: Sentience module is

"Test 37: Sentience module is still too strong

and other potential damage

Set: Sword & Shield: Crown Zenith Type: Water Rarity: Secret Rare Retreat cost: 2

2 Boosters can be combined with packs from any other Jumpstart product

but as a key to the past

Illusionary Mask (Retro) [30th Anniversary Edition] Number_XY35 "Test 37: Sentience module isSet: 30th Anniversary Edition Type: Artifact Rarity: Rare Cost: {2} {X}: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on {X}. If you do, you may cast that card face down as a 2 2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead