Mystical Tutor (Retro) [Dominaria Remastered] Explorer that creature enters the battlefield

that creature enters the battlefield with an additional +1/+1 counter on it

Frost Tongue

Set: Commander 2019 Type: Creature — Zombie Wizard Rarity: Rare Cost: {4}{B} Whenever you discard a creature card

then sacrifice it unless you pay its upkeep cost for each age counter on it

{2}{R}: Creatures you control get +1/+0 until end of turn

Mystical Tutor (Retro) [Dominaria Remastered] Explorer that creature enters the battlefieldSet: Dominaria Remastered Type: Instant Rarity: Rare Cost: {U} Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top. The student searches the world for meaning. The master finds worlds of meaning in the search.