Strider Longblade

+2: Remove any number of loyalty tokens from Strider Longblade and deal damage to target player or planeswalker equal to that number.
+3: All creatures gain +0/+X until your next turn, where X is equal to the number of non-basic lands on the battlefield.
X: All players gain X life and put X target cards from their graveyards to the bottom of their library in any order.