Aleidra Altair, Desert Blade

Reach, doublestrike, protection from elves.
If damage from this creature would be prevented,
exile it.
Aleidra Altair enters the battlefield with 5 Knife counters. Remove a Knife counter: deal 1 damage
to any target.
{2}{r}: Choose one: Aleidra gets +1/+1 until
end of turn OR Put a Knife counter on Aleidra.
"Who are we? Clearly your betters.
Go waste someone else's time."