Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.
At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.

Flying
Whenever this creature attacks, you may return target enchantment card from your graveyard to the battlefield.

Flying
When Tiamat enters, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle.

Flying
Whenever a creature dealt damage by Baron Sengir this turn dies, put a +2/+2 counter on Baron Sengir.
: Regenerate another target Vampire.

This spell costs less to cast for each creature card in your graveyard.
Once during each of your turns, you may cast a creature spell from your graveyard.

Affinity for Gates (This spell costs less to cast for each Gate you control.)
This creature can't be blocked by creatures with power 2 or less.
Whenever a Gate you control enters, you may put this card from your graveyard on top of your library.

You may look at the top card of your library any time.
You may play lands and cast spells from the top of your library.
Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost.

Myojin of Roaring Blades enters with an indestructible counter on it if you cast it from your hand.
Remove an indestructible counter from Myojin of Roaring Blades: It deals 7 damage to each of up to three targets.

Indestructible
Other legendary permanents you control have indestructible.

+2: Ugin deals 3 damage to any target.
−X: Exile each permanent with mana value X or less that's one or more colors.
−10: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield.

Each opponent exiles cards from the top of their library until they exile a nonland card. You may cast any number of spells from among those nonland cards without paying their mana costs.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

This spell costs less to cast for each creature on the battlefield.
Destroy all creatures.

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way.
Cycling (, Discard this card: Draw a card.)
When you cycle this card, all creatures get -2/-2 until end of turn.

Exile the top ten cards of your library. You may cast spells with exactly three colors from among them this turn. Add . Spend this mana only to cast spells with exactly three colors.

At the beginning of combat on your turn, creatures you control get +3/+3 and gain trample until end of turn.
: Until end of turn, target land you control becomes a 1/1 Elemental creature with vigilance, indestructible, and haste. It's still a land.
Partner (You can have two commanders if both have partner.)

Myojin of Towering Might enters with an indestructible counter on it if you cast it from your hand.
Remove an indestructible counter from Myojin of Towering Might: Distribute eight +1/+1 counters among any number of target creatures you control. They gain trample until end of turn.

Creatures you control have haste.
Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order. Then do it again.)

Myojin of Blooming Dawn enters with an indestructible counter on it if you cast it from your hand.
Remove an indestructible counter from Myojin of Blooming Dawn: Create a 1/1 colorless Spirit creature token for each permanent you control.

If you have 3 or less life, this spell costs less to cast.
Flying
This creature can block any number of creatures.

Flying, lifelink
Pay 7 life: Draw seven cards.

Magma Opus deals 4 damage divided as you choose among any number of targets. Tap two target permanents. Create a 4/4 blue and red Elemental creature token. Draw two cards.
, Discard this card: Create a Treasure token.

Trample
When you cast this spell and whenever this creature attacks, destroy up to one target nonland permanent. Its controller creates a tapped Powerstone token.
Unearth

+3: Destroy target noncreature permanent.
−2: Gain control of target creature.
−9: Nicol Bolas deals 7 damage to target player or planeswalker. That player or that planeswalker's controller discards seven cards, then sacrifices seven permanents of their choice.

Flying, lifelink
At the beginning of your upkeep, sacrifice Piru unless you pay .
When Piru dies, it deals 7 damage to each nonlegendary creature.

Flying
At the beginning of each of your postcombat main phases, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.)

Flying, vigilance, indestructible
Other permanents you control have indestructible.

If there are ten or more creature cards total in all graveyards, this spell costs less to cast.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
: Destroy target creature. It can't be regenerated.

When Brinelin enters and whenever you cast a spell with mana value 6 or greater, you may return target nonland permanent to its owner's hand.
Partner (You can have two commanders if both have partner.)

Delve (Each card you exile from your graveyard while casting this spell pays for .)
Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

Deathtouch
Cycling (, Discard this card: Draw a card.)
When you cycle this card, put a deathtouch counter on target creature you control.

Trample
Bloodrush — , Discard this card: Target attacking creature gets +9/+9 and gains trample until end of turn.

Flying
Delirium — Whenever this creature deals damage, if there are four or more card types among cards in your graveyard, exile target creature an opponent controls.

When this artifact enters, each opponent sacrifices three creatures of their choice.
At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control. It's a Phyrexian in addition to its other types.

Flying, vigilance, trample
When this creature dies, create a 3/3 colorless Golem artifact creature token with flying, a 3/3 colorless Golem artifact creature token with vigilance, and a 3/3 colorless Golem artifact creature token with trample.

Two target players exchange life totals. You create an X/X colorless Horror artifact creature token, where X is the difference between those players' life totals.

Artifact offering (You may cast this spell as though it had flash by sacrificing an artifact and paying the difference in mana costs between this and the sacrificed artifact. Mana cost includes color.)
Flying, double strike
Creatures attacking your opponents have double strike.