Omega Shenron, the Ultimate Shadow Dragon (Winner Stamped) (P-284) [Tournament Promotion Cards] DP19 if your Leader Card is

if your Leader Card is mono-green and your opponent has 7 or more cards in their hand : Play this card from your hand with a marker on it

Set: Urza's Saga Type: Enchantment Rarity: Rare Cost: {2}{B} At the beginning of your upkeep

Set: Commander 2016 Type: Sorcery Rarity: Rare Cost: {G} Join forces — Starting with you

then puts all cards revealed this way that weren't put onto the battlefield on the bottom of their library in any order

Set: Sun & Moon: Base Set Type: Supporter Rarity: Promo

Omega Shenron, the Ultimate Shadow Dragon (Winner Stamped) (P-284) [Tournament Promotion Cards] DP19 if your Leader Card isSet: Tournament Promotion Cards Era: Shadow Dragon Saga Rarity: Promo Game character: Syn Shenron Color: Yellow Power: 30000 Combo power: 5000