Phosphous, Grand Nexus

Deathtouch, lifelink
{3}, Put an assimilation counter on target
permanent, Phosphous, Grand Nexus has all abilities of all permanents with assimilation
counters on them.
{t}, Destroy target creature with an assimilation
on it, Phosphous, Grand Nexus gets +X/+X
where X is that creatures toughness.