Selguphet, Split in the Aether

Selguphet, Split in the Aether enters the
battlefield with seven +1/+1 counters on it.
{x}, Remove X +1/+1 counters from Selguphet,
Split in the Aether: Choose one —
• Create X times two colorless 0/1 Eldrazi Spawn
tokens with: "Sacrifice this creature: add {c}."
• Draw half X cards rounded down.
Whenever a creature you control dies you may
pay {c}. If you do, put a +1/+1 counter on
Selguphet, Split in the Aether.