Requisitrice Astuta

09/02/17

Equipment attached to a creature doesn’t become tapped when that creature becomes tapped, and tapping that Equipment doesn’t cause the creature to become tapped.

09/02/17

If an artifact you control has a mana ability with in the cost, activating that ability while casting a spell with improvise will result in the artifact being tapped when you pay the spell’s costs. You won’t be able to tap it again for improvise. Similarly, if you sacrifice an artifact to activate a mana ability while casting a spell with improvise, that artifact won’t be on the battlefield when you pay the spell’s costs, so you won’t be able to tap it for improvise.

09/02/17

If Sly Requisitioner is put into a graveyard at the same time as a nontoken artifact you control, its ability triggers.

09/02/17

Improvise can’t pay for , , , , , or mana symbols in a spell’s total cost.

09/02/17

When calculating a spell’s total cost, include any alternative costs, additional costs, or anything else that increases or reduces the cost to cast the spell. Improvise applies after the total cost is calculated.