Silent Arbiter [Conspiracy]Set: Conspiracy Type: Artifact Creature Construct Rarity: Rare Cost: {4} No more than one creature can attack each combat. No more than one creature can block each combat. Scholars say that arbiters exist on every world, created by an unknown hand to enforce justice.

{T}: Add {B} for each basic Swamp you control

Set: Antiquities Type: Artifact Creature — Golem Rarity: Rare Cost: {9} Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking

Set: Rise of the Eldrazi Type: Enchantment — Aura Rarity: Rare Cost: {2}{R}{R} Enchant creature

it becomes an Aura with "enchant creature put onto the battlefield with Necromancy

and to seed

They are the masters of your mind

put a corpse counter on Scavenging Ghoul for each creature that died this turn

put Lotus Vale onto the battlefield

Set: Mirrodin Besieged Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with converted mana cost X or less

Set: From the Vault: Exiled Type: Land Rarity: Mythic {T}: Add {C}

Zhang Fei's uncharacteristic alliance with a defeated Riverlands general

Set: Unlimited Edition Type: Enchantment — Aura Rarity: Rare Cost: {W}{W}{W} Enchant land