Urza's Incubator [Commander Anthology Volume II]Set: Commander Anthology Volume II Type: Artifact Rarity: Rare Cost: {3} As Urza's Incubator enters the battlefield, choose a creature type. Creature spells of the chosen type cost {2} less to cast. "Stop thinking like an artificer, Urza, and start thinking like a father!" Rayne, chancellor of the Tolarian Academy

Set: Sword & Shield: Shining Fates Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

Set: Sword & Shield: Darkness Ablaze Type: Psychic Rarity: Promo

Then shuffle that player's library

Pay 1 life: Exile the top card of your library face down

Set: Burger King Promos: 2008 Collection Type: Grass Rarity: Promo Retreat cost: Colorless

Put one of them into your hand and the rest into your graveyard

They have "When this creature dies

Set: From the Vault: Twenty Type: Legendary Planeswalker — Jace Rarity: Mythic Cost: {2}{U}{U} +2: Look at the top card of target player's library

copy that ability

Whenever you cast an Eldrazi creature spell with mana value 7 or greater

{1}: Morphling gets -1/+1 until end of turn

Set: Fifth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step