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.

you may sacrifice an artifact

Set: EX: Holon Phantoms Type: Metal Rarity: Holo Rare Retreat cost: 0

Set: Judge Gift Cards 2010 Type: Land Rarity: Rare Thawing Glaciers enters the battlefield tapped

Whenever another nontoken Dragon enters the battlefield under your control

Set: Alpha Edition Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

the Ceaseless Hunger attacks

Set: Promo Finish: Rainbow Foil Type: Hero Subtype: Young Rarity: Promo Class: Mechanologist Life: 20 Intellect: 4 You may start the game with a Mechanologist item with cost [2 Resource] or less in the arena

put a -1[Defense] counter on it when the combat chain closes

Lord of Leaves

Set: Legends Type: Legendary Land Rarity: Uncommon {T}: Add {W}

flip Erayo

if all the monsters that were used for the Synchro Summon of this card are in your Graveyard: You can Special Summon all of them