Jarad and Zegana

Whenever a creature you control dies, put a
+1/+1 counter on each creature you control
Creatures you control with counters on them
have trample and deathtouch
As long as there are 10 or more counters among permanents you control, permanents you control
gain, "{b}{g}{x}, Sacrifice this permanent: You
draw X cards and each opponent loses X life"