Aubrey, Pleasant Savage

+1: Put a +1 counter on target creature. That creature gains haste and first strike until end of turn
-1: Deal 3 damage to target creature. If that creature dies, Aubrey gains loyalty equal to that creatures toughness
-7: You get an emblem with 'Creatures you control have haste and trample'. Creatures you control get +7/+7 until end of turn.