Teferi, Master of Time (Promo Pack) (75) [Core Set 2021 Promos] XY116 Then that player loses all

Then that player loses all unspent mana and you add the mana lost this way

Set: Across Time Pre-Release Cards Card type: Digi-Egg Rarity: Uncommon Digi type: Baby Dragon Form: In-Training [When Attacking] [Once Per Turn] If you have a green Digimon in play

negate that effect

Set: EX: Holon Phantoms Type: Metal Rarity: Holo Rare

Fusion Summon 1 Fusion Monster from your Extra Deck

Teferi, Master of Time (Promo Pack) (75) [Core Set 2021 Promos] XY116 Then that player loses allSet: Core Set 2021 Promos Type: Legendary Planeswalker Teferi Rarity: Mythic Cost: {2}{U}{U} You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant. +1: Draw a card, then discard a card. 3: Target creature you don't control phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.) 10: Take two extra turns after this one.