Zeke, Phase-Shifter

When Zeke, Phase-Shifter enters the battlefield,
you may search your library for up to 2 black
creature cards with total mana value 6 or less
and put them into your hand, then shuffle your
library. If you do, you lose 3 life.
{b}: Choose one. Activate no more than once
each turn —
• Zeke gets +2/+0 until end of turn.
• Zeke gets +0/+2 until end of turn.