The Kaly Brothers

+1: Until end of turn, The Kaly Brothers becomes a 4/4 Human Shapeshifter creature with trample and haste that's still a planeswalker.
0: Until end of turn, The Kaly Brothers becomes a 4/4 Human Shapeshifter creature with double-strike that's still a planeswalker.
-1: Until end of turn, The Kaly Brothers becomes a 4/4 Human Shapeshifter creature with flying and hexproof that's still a planeswalker.