Vampire Bats

Choose one — • Target player gains X life. • Prevent the next X damage that would be dealt to any target this turn.

1: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

1: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

Choose one — • Target player gains 3 life. • Prevent the next 3 damage that would be dealt to any target this turn.

Flying; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay 2."