Ugin, the Ineffable [Modern Horizons 3 Commander] Push Your Luck Set: Secret Lair Drop Series

Set: Secret Lair Drop Series Type: Legendary Creature — Elder Dinosaur Rarity: Rare Cost: {4}{R}{R} Whenever Tyrannosaurus Rex attacks

when stones kluster together during one player’s turn

But where is the source

Clap your hands twice: You may tap or untap Urza's Contact Lenses

Set: Outlaws of Thunder Junction Type: Legendary Creature — Human Warlock Rarity: Mythic Cost: {3}{B}{B} Ward—{2}

Ugin, the Ineffable [Modern Horizons 3 Commander] Push Your Luck Set: Secret Lair Drop SeriesSet: Modern Horizons 3 Commander Type: Legendary Planeswalker Ugin Rarity: Rare Cost: {6} Colorless spells you cast cost 2 less to cast. [+1]: Exile the top card of your library face down and look at it. Create a 2 2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand. [ 3]: Destroy target permanent that's one or more colors.