Teferi, Master of Time (Promo Pack) (75) [Core Set 2021 Promos] Double Masters you may change "swampwalk" to

you may change "swampwalk" to "plainswalk

if removed by this effect

and you may spend mana as though it were mana of any color to cast those spells

Lord of Striking Thunder" + "Raviel

Teferi, Master of Time (Promo Pack) (75) [Core Set 2021 Promos] Double Masters you may change "swampwalk" toSet: 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.