Vodalian Knights

Creature - Merfolk
First strike <CR>
Vodalian Knights can't attack unless defending player controls an Island. <CR>
{U}: Vodalian Knights gains flying until end of turn. <CR>
When you control no Islands, sacrifice Vodalian Knights.

Creature - Merfolk/Knight
First strike <CR>
Vodalian Knights can't attack unless defending player controls an Island. <CR>
When you control no Islands, sacrifice Vodalian Knights. <CR>
{U}: Vodalian Knights gains flying until end of turn.