Mavinda, Students' Advocate (Promo Pack) [Strixhaven: School of Mages Promos] Gym Heroes Unlimited you'd need the energy of

you'd need the energy of the giant's tonic

but the twisting vapor that rose from it was deadly cold

other Elves you control gain vigilance and get +1/+1 for each +1/+1 counter on Haldir

Set: The List Type: Legendary Planeswalker — Teferi Rarity: Mythic Cost: {3}{W}{U} +1: Draw a card

it deals damage equal to its power to target creature an opponent controls

Mavinda, Students' Advocate (Promo Pack) [Strixhaven: School of Mages Promos] Gym Heroes Unlimited you'd need the energy ofSet: Strixhaven: School of Mages Promos Type: Legendary Creature Bird Advisor Rarity: Mythic Cost: {2}{W} Flying {0}: You may cast target instant or sorcery card from your graveyard this turn. If that spell doesn't target a creature you control, it costs {8} more to cast this way. If that spell would be put into your graveyard, exile it instead. Activate only once each turn. (You still pay the spell's costs. Timing rules for the spell still apply.)