Whir of Invention [Aether Revolt Promos] Machine/Effect Monster Set: Neo Destiny Unlimited Type:

Set: Neo Destiny Unlimited Type: Psychic Rarity: Uncommon

They only specify the consequences should you fail

but his name still stains the lips of cultists

you gain 1 life and draw a card

Creatures you control gain indestructible until end of turn

Whir of Invention [Aether Revolt Promos] Machine/Effect Monster Set: Neo Destiny Unlimited Type:Set: Aether Revolt Promos 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.