Desperado Barrel Dragon

If a face-up DARK Machine monster(s) you control is destroyed by battle or card effect: You can Special Summon this card from your hand. Once per turn, during the Battle Phase (Quick Effect): You can toss a coin 3 times; destroy face-up monsters on the field, up to the number of Heads, then if the result is 3 heads, draw 1 card. This card cannot attack the turn this effect is activated. If this card is sent to the GY: You can add 1 Level 7 or lower monster that has a coin tossing effect, from your Deck to your hand.