Dictate of Kruphix

Flash (You may cast this spell any time you could cast an instant.)
At the beginning of each player's draw step, that player draws an additional card.

Leyline of Anticipation

If Leyline of Anticipation is in your opening hand, you may begin the game with it on the battlefield.
You may cast spells as though they had flash.

Tidal Barracuda

Any player may cast spells as though they had flash.
Your opponents can't cast spells during your turn.

Horn of Greed

Whenever a player plays a land, that player draws a card.

Helm of Awakening

Urza's Filter

Multicolored spells cost {2} less to cast.

Well of Knowledge

{2}: Draw a card. Any player may activate this ability but only during their draw step.

Tempting Contract

At the beginning of your upkeep, each opponent may create a Treasure token. For each opponent who does, you create a Treasure token.

Braids, Conjurer Adept

At the beginning of each player's upkeep, that player may put an artifact, creature, or land card from their hand onto the battlefield.

Font of Mythos

At the beginning of each player's draw step, that player draws two additional cards.

Dream Halls

Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell.

Dissipation Field

Whenever a permanent deals damage to you, return it to its owner's hand.

Arcane Melee

Instant and sorcery spells cost {2} less to cast.

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Unifying Theory

Whenever a player casts a spell, that player may pay {2}. If the player does, they draw a card.

Gate to the Aether

At the beginning of each player's upkeep, that player reveals the top card of their library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield.

Kumena's Awakening

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
At the beginning of your upkeep, each player draws a card. If you have the city's blessing, instead only you draw a card.

Kami of the Crescent Moon

At the beginning of each player's draw step, that player draws an additional card.

Ghirapur Orrery

Each player may play an additional land on each of their turns.
At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.