Card TextElves you control have “T: Add B.”
[+1]: Put a +1/+1 counter on up to one target Elf. Untap it. It gains deathtouch until end of turn.
[0]: Create a 1/1 green Elf Warrior creature token.
[-6]: You get an emblem with “Whenever you cast an Elf spell, it gains haste until end of turn and you draw two cards.”