Teleporter

When this card enters the battlefield place a +1/+1
counter on it
{t}Place Teleporter on the bottom of your library.
Search your library for a number of creature cards
equal to the amount of +1/+1 counters on
Teleporter and put them into your hand
Upgrade-When this card's Upgrade effect is
triggered place a +1/+1 counter on it. This card may
never have more than 3 +1/+1 counters on it at a
time