Curious Obsession

Enchant creature
Enchanted creature gets +1/+1 and has “Whenever this creature deals combat damage to a player, you may draw a card.”
At the beginning of your end step, if you didn’t attack with a creature this turn, sacrifice Curious Obsession.

Spined Megalodon

Hexproof (This creature can’t be the target of spells or abilities your opponents control.)
Whenever Spined Megalodon attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Chrome Replicator

When Chrome Replicator enters the battlefield, if you control two or more nonland, nontoken permanents with the same name as one another, create a 4/4 colorless Construct artifact creature token.

Savai Crystal

: Add , , or .
Cycling (, Discard this card: Draw a card.)

Skullclamp

Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip

Increasing Devotion

Create five 1/1 white Human creature tokens. If this spell was cast from a graveyard, create ten of those tokens instead.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Dearly Departed

Flying
As long as Dearly Departed is in your graveyard, each Human creature you control enters the battlefield with an additional +1/+1 counter on it.

Crop Rotation

As an additional cost to cast this spell, sacrifice a land.
Search your library for a land card, put that card onto the battlefield, then shuffle your library.

Swarm Intelligence

Whenever you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copy.

Hateful Eidolon

Lifelink
Whenever an enchanted creature dies, draw a card for each Aura you controlled that was attached to it.

Scavenging Harpy

Flying
When Scavenging Harpy enters the battlefield, exile target card from an opponent’s graveyard.

Eye of Ugin

Colorless Eldrazi spells you cast cost less to cast.
, : Search your library for a colorless creature card, reveal it, and put it into your hand. Then shuffle your library.

Skullclamp

Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip

Spire Monitor

Flash (You may cast this spell any time you could cast an instant.)
Flying

Trepanation Blade

Whenever equipped creature attacks, defending player reveals cards from the top of their library until they reveal a land card. The creature gets +1/+0 until end of turn for each card revealed this way. That player puts the revealed cards into their graveyard.
Equip

Root Out

Destroy target artifact or enchantment.
Investigate. (Create a colorless Clue artifact token with “, Sacrifice this artifact: Draw a card.”)

Trail of Evidence

Whenever you cast an instant or sorcery spell, investigate. (Create a colorless Clue artifact token with “, Sacrifice this artifact: Draw a card.”)

Pelakka Wurm

Trample
When Pelakka Wurm enters the battlefield, you gain 7 life.
When Pelakka Wurm dies, draw a card.

Darksteel Mutation

Enchant creature
Enchanted creature is an Insect artifact creature with base power and toughness 0/1 and has indestructible, and it loses all other abilities, card types, and creature types.

Sea Gate Oracle

When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Naturalize

Destroy target artifact or enchantment.

Sword of the Animist

Equipped creature gets +1/+1.
Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.
Equip

Sylvan Scrying

Search your library for a land card, reveal it, and put it into your hand. Then shuffle your library.