Deathtouch: Add two mana of any one color.Whenever you cast a spell with in its mana cost, create a 0/0 green Hydra creature token, then put X +1/+1 counters on it.
Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order.Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.
Partner with Haldan, Avid ArcanistHasteWhenever Pako, Arcane Retriever attacks, exile the top card of each player's library and put a fetch counter on each of them. Put a +1/+1 counter on Pako for each noncreature card exiled this way.
Partner with Pako, Arcane Retriever (When this creature enters, target player may put Pako into their hand from their library, then shuffle.)You may play lands and cast noncreature spells from among cards you exiled that have fetch counters on them, and you may spend mana as though it were mana of any color to cast those spells.
Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)TrampleWhenever this creature deals combat damage to a player, return target creature card with mutate from your graveyard to your hand.
Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)Spinerock Knoll enters tapped.: Add ., : You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.
Cryptic Trilobite enters with X +1/+1 counters on it.Remove a +1/+1 counter from Cryptic Trilobite: Add . Spend this mana only to activate abilities., : Put a +1/+1 counter on Cryptic Trilobite.