Llanowar Greenwidow 
Creature — Spider
Reach, trample
Domain — 
: Return this card from your graveyard to the battlefield tapped. It gains "If this permanent would leave the battlefield, exile it instead of putting it anywhere else." This ability costs 
less to activate for each basic land type among lands you control.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL