Hexproof (This creature can't be the target of spells or abilities your opponents control.) When Jade Guardian enters the battlefield, put a +1/+1 counter on target Merfolk you control.
The River Heralds believe that jade gives weight to their magic.
![Jade Guardian [Ixalan]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/f79189c9-476a-5300-828a-ecab29b3b7f4_71432dd5-de19-49fb-9ccb-6850e5d91591.jpg?v=1698570423&width=1445)