We wanted to make sure that you could trigger it not just on your turn during one of your main phases, when you would normally play enchantments, but occasionally at other timesduring combat or on your opponent's turn, for instance
The card is also pretty playable if it were out in the meta right now, with good stats, being inkable, and an ability that could almost always get good use
Note that both are instant speed, so you can make a token when someone attacks you and block, or EOT your foe's turn to double and then untap and swing with your newly made horde
Assuming anyone actually plays any Merfolk
The way Fblthp is trying to make its already tiny body even smaller to navigate the crowded Ravnica streets instantly makes you feel for it, and its big eye really communicates the fear it feels at this moment