Tiberius, Awoken Emperor

0: If X was more than 10 return Tiberius to your hand and make 12 3/3 golem tokens with sacrifice this creature, target land taps for double
+3: make a 3/3 golem token with Hiker ( if a player doesn't control a Waste, attacking creature is unblockable )
-20: Combine 20golems tokens you control make a copy of Tiberius that can stay on the battlefield without having to sacrifice the other copy