Flawless Maneuver [Phyrexia: All Will Be One Commander] CRU079 Whenever Grimgrin attacks

Whenever Grimgrin attacks

Each creature you control has "Whenever a mana ability of this creature resolves

and Scars of Mirrodin

Set: Dynasty Finish: Regular Type: Action Subtype: Attack Rarity: Majestic Class: Assassin Cost: 0 Power: 4 Contract - You are contracted to banish opponents' red cards

it gains +3 [Power]

Flawless Maneuver [Phyrexia: All Will Be One Commander] CRU079 Whenever Grimgrin attacksSet: Phyrexia: All Will Be One Commander Type: Instant Rarity: Rare Cost: {2}{W} If you control a commander, you may cast this spell without paying its mana cost. Creatures you control gain indestructible until end of turn. Captain, your units are the tip of our spear. There is zero room for failure. Jirina Kudro