K'Sante, Pride of Nezumah

All Out - When K'Sante, Pride of Nezumah attacks, you may swap his power and
toughness until end of turn. If you do,
K'Sante, Pride of Nezumah gains lifelink until
end of turn. If you don't, K'Sante, Pride of Nezumah gains vigilance and menace until
end of turn.