Altar of Dementia

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Emerald Medallion

Green spells you cast cost {1} less to cast.

Vedalken Orrery

You may cast spells as though they had flash.

Memory Jar

{T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

Syphon Mind

Each other player discards a card. You draw a card for each card discarded this way.

Progenitor's Icon

As Progenitor's Icon enters, choose a creature type.
{T}: Add one mana of any color.
{T}: The next spell of the chosen type you cast this turn can be cast as though it had flash.