When Riparian Tiger enters the battlefield, you get EE.
Whenever Riparian Tiger attacks, you may pay EE. If you do, it gets +2/+2 until end of turn.
Illus. Igor Kieryluk
4/4
MYTHICSPOILER.COM THE CYCLICAL MTG SPOILER
MythicSpoiler is a dedicated visual spoiler, designed to let you EXPLORE, DISCOVER and EXPERIENCE new Magic the Gathering sets in a simple, sortable gallery.
KHANS OF TARKIR 
COMMANDER 2014
FTV: ANNIHILATION 
SPEED vs CUNNING 
MAGIC 2015 
CONSPIRACY 
MORE SETS
