Jayden's End

{3}Sacrifice Jayden: She perpetually gets +1/+1
and returns to the battlefield tapped and the end
of the turn.
Sacrifice Jayden: Deal damage to any target equal
to her power.
Sacrifice Jayden: You gain life equal to her power
Exile Jayden: You have X many turns left until
you lose, but all your creatures gain indestructible, trample, and +2/+2 counters,
where X is Jayden's power