Flying exists in every color to some extent, so almost every player will have access to flying creatures if they wish
Being Simic does limit the homes this card can go in -- I would've loved something like this for Brudiclad, Telchor Engineer -- but thankfully there's always Riku of Two Reflection as an excellent Temur Tokens candidate
But the nice people in Organized Play had invented this new super top tier / super high end event called The Masters Series
Its an 0/3 that eventually becomes a 3/3, which blocks really well (and even attacks, if you need to)
P/T Number 329 Language Franais Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) If the target creature is an illegal target as Hydaelyn, the Mothercrystal's last ability tries to resolve, it won't resolve and none of its effects will happen