Vopnai, Blade Pactmaker

Vopnai, Blade Pactmaker enters the battlefield with your choice of a trample, flying, lifelink, or haste counter on it.
Pay 2 life: add {1}. Spend this mana only to pay the equip cost of an equipment you control or to cast an equipment spell.
{0}: Attach target equipment you control to target creature you control. You lose life equal to 3 times that equipment's equip cost.