反(はん)因(いん)果(が)の残(ざん)留(りゅう)
7 / 5
When this creature leaves the battlefield, draw a card, then you may put a permanent card with mana value less than or equal to the number of lands you control from your hand onto the battlefield tapped.
Warp

If a card in your hand has
in its mana cost, X is 0 for the purpose of determining its mana value.