Clefairy

Whenever a creature enters the battlefield under
your control gain 1 life.
Light Screen - Sacrifice Clefairy, {w}. Creatures
you control gain indestructible, until end of turn.
Meteor Mash - {4}{w}{w}{w}{t} Activate only after blockers are declared during combat. Search your
hand and library for a "Meteor" card and place it
on the battlefield. Untap Clefairy if a creature
dies this turn.