Regent’s Authority

Target creature gets +2/+2 until end of turn. If it’s an enchantment creature or legendary creature, instead put a +1/+1 counter on it and it gets +1/+1 until end of turn.

Careful Cultivation

Enchant artifact or creature
As long as enchanted permanent is a creature, it gets +1/+3 and has reach and “: Add .”
Channel — , Discard Careful Cultivation: Create a 1/1 green Human Monk creature token with “: Add .”