BT-1

Partner with 0-0-0 (When this creature enters
the battlefield, target player may search their library
for 0-0-0 and put it in their hand.)
Whenever a creature an opponent controls dies, put
a +1/+1 counter on target creature. This ability
triggers only once each turn.
{t}, {x}: Move {x}+1/+1 counters from one creature
to another. Activate only as sorcery.