Inconspicuous Finches

Deathtouch
{t}: Put a Poison counter on target opponent's
land. At the beginning of opponents upkeep, add
a Poison counter to that land. If that land gets 3
Poison counters, destroy that land and
Inconspicuous Finches get a +1/+1 counter.
Sacrifice a creature with a power of 3 or more:
Put a copy of Inconspicuous Finches onto
the battlefield tapped.