Sarkhan's Dragonfire

Take an extra turn after this one. If Nexus of Fate would be put into a graveyard from anywhere, reveal Nexus of Fate and shuffle it into its owner's library instead.

This land enters tapped. T: Add W or U.

Whenever this creature attacks, create two 1/1 white Cat creature tokens with lifelink that are tapped and attacking.

Exile target permanent with mana value 1.

(T: Add B.)

Flying (This creature can't be blocked except by creatures with flying or reach.) When this creature enters, you may return target creature an opponent controls to its owner's hand.

Target creature gets +4/+4 until end of turn.

You may have this creature enter as a copy of a creature you control.