Slipstream Eel 
Creature — Fish Beast
This creature can't attack unless defending player controls an Island.
Cycling 
(, Discard this card: Draw a card.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL