Weavure, The Untouchable

This spell can’t be countered. First Strike, vigilance When Weaver, The Untouchable is blocked or blocks, your opponent(s) roll a d20. 1-17| Weavure takes no damage and gains indestructible until end of turn 18-20| Weavure gains Vulnerable (This creature takes damage as normal and put a +1/+1 counter on attacking or defending creature) until end of turn.