Sarvalia's Loyal Companion

When Sarvalia's Loyal Companion attacks, target
land loses all colors and abilities and is a basic
Waste. Put a tentacle counter on Sarvalia's Loyal Companion.
Remove a tentacle counter: Create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice
this creature: Add {c}." Put a +1/+1 counter on Sarvalia's Loyal Companion.