Primordial Hydra EX you may search your library

you may search your library for a card with the same name as that creature

Whenever that creature attacks one of your opponents this turn

−3: Put target nonland permanent into its owner's library third from the top

Doctor Who: Regeneration Ward 2 Whenever you cast a Doctor spell or creature spell with doctor’s companion

if you cast a Cleric spell with mana cost {1}{W}

Primordial Hydra EX you may search your librarySet: Jumpstart 2022 (#712) Rarity: Mythic Type: Creature Hydra Mana Cost: {X}{G}{G} Colors: Green P T: 0 0 This creature enters with X +1 +1 counters on it. At the beginning of your upkeep, double the number of +1 +1 counters on this creature. This creature has trample as long as it has ten or more +1 +1 counters on it.