Magus of the Untamed Tides

When an Island enters the battlefield under your control, until end of turn, Plains and Swamps you control gain " {t}: Target creature gets +0/+1 until end of turn. Target creature gets -0/-1 until end of turn."
"The sea can be avoided. The sea can be used. But the sea has no master. And from time to time, it will remind you. Vehemently."