Each player mills two cards. Then you put a creature card from a graveyard onto the battlefield under your control.

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
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Web-slinging (You may cast this spell for if you also return a tapped creature you control to its owner's hand.)
Flying, vigilance

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Fathomless descent — Return to the battlefield target nonland permanent card in your graveyard with mana value less than or equal to the number of permanent cards in your graveyard.

Whenever one or more creatures you control become tapped, draw a card, then discard a card and put a plan counter on this enchantment.
When the fourth plan counter is put on this enchantment, sacrifice it. When you do, return up to two target instant and/or sorcery cards from your graveyard to your hand.

When this creature enters, if was spent to cast it, return target creature to its owner's hand.

Enchant creature you control
Enchanted creature gets +1/+1 for each creature card in your graveyard and is an Avatar in addition to its other types.
When enchanted creature dies, mill cards equal to its power. Return this card to its owner's hand and up to one creature card milled this way to the battlefield under your control.

Lava Axe deals 5 damage to target player or planeswalker.

Vigilance
When this creature enters, gain control of up to one target creature with lesser power for as long as you control this creature. Then the Ring tempts you.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
Raid — When this creature enters, if you attacked this turn, look at the top three cards of your library. You may put one of those cards back on top of your library. Put the rest into your graveyard.

Choose one —
• Creatures you control get +2/+1 until end of turn.
• Destroy target artifact or enchantment. You gain 2 life.

Enchant noncommander creature
You control enchanted creature.
Enchanted creature gets +2/+2 and can't be blocked unless it's attacking its owner or a permanent its owner controls.

Flying
Spirits you control get +1/+1 for each time you've cast your commander from the command zone this game.
Whenever a Spirit you control enters, you may pay . If you do, return this card from your graveyard to the battlefield.

Parley — Each player reveals the top card of their library. For each nonland card revealed this way, you create a 1/1 white Spirit creature token with flying. Then each player draws a card.

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This creature can't be blocked by tokens.
When this creature enters, put a +1/+1 counter on target creature.

Lifelink
Morlun enters with X +1/+1 counters on him.
When Morlun enters, he deals X damage to target opponent.

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Visit — Look at the bottom card of your library, then give a person outside the game a one-word clue not on that card. They guess a word. If their guess appears in that card's name, claim the prize!
Prize — Reveal the card, put it into your hand, then sacrifice this Attraction and open an Attraction.