Floodchaser

This creature enters with six +1/+1 counters on it. This creature can't attack unless defending player controls an Island. {U}, Remove a +1/+1 counter from this creature: Target land becomes an Island until end of turn.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6odttl9r3ppb1hdrvfpnjw.