And that's the least of your problems
Its primary function is to negate or significantly weaken opponent attacks, preventing crucial damage and maintaining board presence
That said, Proliferate is a lot more powerful when its magnifying your +1/+1 and loyalty counters, rather than compounding your opponents -1/-1 counters
While there are likely still older MTG players who would still rather Magic stayed as Magic, were rapidly heading towards two of these sets a year plus all of the extras, so this is simply how the game is going to be going forward
Buff up this character with some additional willpower - such as through the likes of Huey, Savvy Nephew - and itll be able to banish those pesky opposing Evasive characters
If another Human didn't enter the battlefield before your beginning of combat step, owyn, Shieldmaiden's ability won't trigger