Mirrodin Survivor

Conjure {3}(When this permanent enters play, you
may pay {3} to exile target creature card in a
graveyard with a converted mana cost 3 to put 3
+1/+1 counters on target creature or gain 3 life.)
Land creatures you control have Indestructible.
If Mirrodin Survivor would enter play, you may
pay {3}{g}{g} instead. If you do, put it into play.
If you don't, put it into its owner's graveyard.