Waterfall of Dragon Souls (MP18-EN024) - 2018 Mega-Tins Mega Pack 1st Edition

Activate 1 of these effects.
- Add 1 Wyrm-Type monster from your Deck to your hand.
- Send any number of Wyrm-Type monsters from your hand and/or face-up from your field to the Graveyard; draw cards equal to the number of monsters you sent to the Graveyard +1.