Descend 4 — As long as there are four or more permanent cards in your graveyard, Akawalli, the Seething Tower gets +2/+2 and has trample.

Descend 8 — As long as there are eight or more permanent cards in your graveyard, Akawalli gets an additional +2/+2 and can't be blocked by more than one creature.

: Draw a card, then exile a card from your hand and put a number of time counters on it equal to its mana value. It gains "When the last time counter is removed from this card, if it's exiled, you may cast it without paying its mana cost. If you cast a creature spell this way, it gains haste until end of turn." Then remove a time counter from each other card you own in exile.

Whenever a creature an opponent controls dies, Altac Bloodseeker gets +2/+0 and gains first strike and haste until end of turn. (It deals combat damage before creatures without first strike, and it can attack and as soon as it comes under your control.)

Flying

As long as you control a Human, Angelic Overseer has hexproof and indestructible.

Flying

, : Draw two cards, then discard a card.

Whenever Atemsis, All-Seeing deals damage to an opponent, you may reveal your hand. If cards with at least six different mana values are revealed this way, that player loses the game.

Flying

Whenever a permanent is turned face up, put a +1/+1 counter on Aven Farseer.

You may play two additional lands on each of your turns.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

Search your library for a card, exile it face down, then shuffle. If this spell was bargained, you may cast the exiled card without paying its mana cost if that spell's mana value is 4 or less. Put the exiled card into your hand if it wasn't cast this way.

: Target spell or permanent becomes the color of your choice until end of turn.

, Pay 1 life: Draw a card. Activate only if three or more cards left your graveyard this turn or if you've sacrificed a Food this turn.

, : Reveal any number of blue cards in your hand. Counter target spell unless its controller pays for each card revealed this way.

When Cascade Seer enters, scry X, where X is the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Flying

Whenever you cast a noncreature spell, incubate X, where X is that spell's mana value. (Create an Incubator token with X +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Flying

When Cloudkin Seer enters, draw a card.

When Crystal Seer enters, look at the top four cards of your library, then put them back in any order.

: Return Crystal Seer to its owner's hand.

Lifelink

When Desperate Bloodseeker enters, target player mills two cards. (They put the top two cards of their library into their graveyard.)

: Look at the top card of your library. If it's a land card, you may reveal it and put it into your hand.

: Draw a card and reveal it. If it isn't a land card, discard it.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

: Target creature gets +1/-1 until end of turn.

When Frontier Seeker enters, look at the top five cards of your library. You may reveal a Mount creature card or a Plains card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

, : Look at the top two cards of your library, then put them back in any order.

Survival — At the beginning of your second main phase, if Glimmer Seeker is tapped, draw a card if you control a Glimmer creature. If you don't control a Glimmer creature, create a 1/1 white Glimmer enchantment creature token.

Glistener Seer enters with three oil counters on it.

, Remove an oil counter from Glistener Seer: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

, , Discard a card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Room abilities of dungeons you own trigger an additional time.

Whenever you cast a creature spell with mana value 4 or greater, you draw a card, gain 1 life, and put a +1/+1 counter on Helga, Skittish Seer.

: Add X mana of any one color, where X is Helga, Skittish Seer's power. Spend this mana only to cast creature spells with mana value 4 or greater or creature spells with in their mana costs.

Put target artifact or enchantment on the bottom of its owner's library.

Whenever you cast a Spirit or Arcane spell, regenerate target creature.

Menace

When Horned Stoneseeker enters, create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

When Horned Stoneseeker leaves the battlefield, sacrifice a Powerstone.

, : Reveal any number of green cards in your hand. Target creature gets +X/+X until end of turn, where X is the number of cards revealed this way.

When Jade Seedstones enters, distribute three +1/+1 counters among one, two, or three target creatures you control.

Craft with creature (, Exile this artifact, Exile a creature you control or a creature card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Flying, vigilance

When Kaalia, Zenith Seeker enters, look at the top six cards of your library. You may reveal an Angel card, a Demon card, and/or a Dragon card from among them and put them into your hand. Put the rest on the bottom of your library in a random order.

When Kujar Seedsculptor enters, put a +1/+1 counter on target creature you control.

, , Discard two cards: Latulla, Keldon Overseer deals X damage to any target.

Changeling (This card is every creature type.)

When Littjara Kinseekers enters, if you control three or more creatures that share a creature type, put a +1/+1 counter on Littjara Kinseekers, then scry 1.

, : Draw three cards. This ability costs more to activate for each card in your hand.

When Malcator, Purity Overseer enters, create a 3/3 colorless Phyrexian Golem artifact creature token.

At the beginning of your end step, if three or more artifacts entered the battlefield under your control this turn, create a 3/3 colorless Phyrexian Golem artifact creature token.

Menace

At the beginning of your end step, put a bounty counter on target creature an opponent controls. For as long as that creature has a bounty counter on it, it has "When this creature dies, each opponent draws a card and gains 2 life."

Whenever a source an opponent controls deals damage to you, that player sacrifices a permanent of your choice.

Myojin of Seeing Winds enters with a divinity counter on it if you cast it from your hand.

Myojin of Seeing Winds has indestructible as long as it has a divinity counter on it.

Remove a divinity counter from Myojin of Seeing Winds: Draw a card for each permanent you control.

When Nissa, Vastwood Seer enters, you may search your library for a basic Forest card, reveal it, put it into your hand, then shuffle.

Whenever a land you control enters, if you control seven or more lands, exile Nissa, then return her to the battlefield transformed under her owner's control.

Haste

: Scry 1.

First Contact — Whenever Overseer of Vault 76 or another creature you control with power 3 or less enters, put a quest counter on Overseer of Vault 76.

At the beginning of combat on your turn, you may remove three quest counters from among permanents you control. When you do, put a +1/+1 counter on each creature you control and they gain vigilance until end of turn.

Lifelink

When Passageway Seer enters, you take the initiative.

At the beginning of your end step, if you have the initiative, put a +1/+1 counter on Passageway Seer.

Phyrexian Seedling enters the battlefield with a +1/+1 counter on it.

Proliferatelink (Damage dealt by this creature also causes you to proliferate that many times. You proliferate before checking for lethal damage on creatures.)

Flying, ward

Whenever you attack, target attacking creature connives X, where X is the number of attacking creatures. (Draw X cards, then discard X cards. Put a +1/+1 counter on that creature for each nonland card discarded this way.)

Realm Seekers enters with X +1/+1 counters on it, where X is the total number of cards in all players' hands.

, Remove a +1/+1 counter from Realm Seekers: Search your library for a land card, reveal it, put it into your hand, then shuffle.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

When Relic Seeker becomes renowned, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle.

Whenever a Vampire you control attacks, each opponent loses 1 life and you gain 1 life.