: Target Merfolk creature gets +1/+1 and gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.)
: Target land becomes an Island until end of turn.
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
: Target Merfolk you control gains protection from the color of your choice until end of turn.
Champion a Merfolk (When this enters, sacrifice it unless you exile another Merfolk you control. When this leaves the battlefield, that card returns to the battlefield.)
Whenever this creature deals combat damage to a player, you may sacrifice a Merfolk. If you do, take an extra turn after this one.