Serendib Djinn

Creature - Djinn
Flying <CR>
At the beginning of your upkeep, sacrifice a land. If you sacrifice an Island this way, Serendib Djinn deals 3 damage to you. <CR>
When you control no lands, sacrifice Serendib Djinn.

Creature - Djinn
Flying <CR>
At the beginning of your upkeep, sacrifice a land. If you sacrifice an Island this way, this creature deals 3 damage to you. <CR>
When you control no lands, sacrifice this creature.