Kyulos, Voice of Aether

Flying, Haste, Deathtouch, Trample.
•When Kyulos, Voice of Aether deals combat
damage to a player, you may pay X energy.
If you do, draw X cards and lose X life.
•If you would get one or more energy counters,
instead get twice that much energy.
•{u}{b}{r}{g}: Until end of turn, all activated
abilities of creatures you control trigger an
additional time if it was an Energy ability.