Zythl's Sigil of Endurance

Choose one that has not been chosen —
• Creatures you control get +1/+1 and have indestructible until end of turn.
• You gain 13 life.
• Prevent the next 13 damage that would be dealt
to you and creatures you control this turn.
Counted blessings (Note each mode as you choose
it, and exile this spell as it resolves. You may cast it
from exile as long as it has unchosen modes.)