Ikora, Warlock Vanguard

+2: Create two 2/6 blue Warlock creature tokens with flying. Warlocks you control get +2/+2 and gain vigilance.
-4: Counter target instant or sorcery. Create X 3/5 white Warlocks with flying. X is equal to the converted mana cost of countered spell.
-11: Destroy all creatures target opponent controls. Create a 3/5 white Warlock with flying for each creature destroyed this way.