Solstice, Eldrazi Kitten

{6}: This ability costs {1} less to activate for each artifact you control. Choose one:
•Solstice, Eldrazi Kitten gains trample until end
of turn.
•Solstice gains vigilance until end of turn.
Entwine {3}
{t}, Sacrifice an artifact: Put four +1/+1 counters
on Solstice.