If Counter Strike is cast on a unit with Tank, can the attacker assign excess damage to other units, or does the Tank block all damage regardless of the attacker's combat value?

Ruling: Excess damage can be assigned to other units. The attacker assigns lethal damage to the Tank unit first, then assigns remaining damage to other units. The Tank survives due to Counter Strike preventing the damage.

Sequence:

• Assign initial lethal damage to the Tank unit
• Assign excess damage to other units
• Counter Strike prevents the damage to the Tank unit, so it survives

Nuances:

• Assigning damage is different from dealing damage; Counter Strike prevents damage dealt, not damage assignment