Truic-Thun, The Earth Spider

Trample, Haste
As long as Truic-Thun, The Earth Spider is attacking by itself, you may assign blockers.
If Truic-Thun is blocked by 4 or more creatures, it gets +10/+0 and indestructible until end of turn.
"What is that thing?" -Last words of a Dimir scout.