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 Wanderwine Prophets deals combat damage to a player, you may sacrifice a Merfolk. If you do, take an extra turn after this one.
Champion a Goblin (When this enters, sacrifice it unless you exile another Goblin you control. When this leaves the battlefield, that card returns to the battlefield.)Whenever a Goblin you control deals combat damage to a player, you may create a 1/1 black Goblin Rogue creature token.
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)When Merrow Harbinger enters, you may search your library for a Merfolk card, reveal it, then shuffle and put that card on top.
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.
TrampleChampion an Elemental (When this enters, sacrifice it unless you exile another Elemental you control. When this leaves the battlefield, that card returns to the battlefield.)