Sunspine Lynx 
Creature — Elemental Cat
Players can't gain life. Damage can't be prevented. When this creature enters, it deals damage to each player equal to the number of nonbasic lands that player controls.
Legality
standardLEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL