Sigil of the Hunter

At the beginning of each upkeep, choose one
that hasn't been chosen —
• Gon's Nen -- Creatures you control gain +3/+3
and trample until end of turn.
• Killua's Nen -- Creatures you control gain
deathtouch and lifelink until end of turn.
• Kurapika's Nen -- Creatures you control gain
haste and double strike until end of turn.
"Is this part of the Hunter Exam?..." -- Gon Freecss