Greninja & Zoroark GX (200/214) [Sun & Moon: Unbroken Bonds]Set: Sun & Moon: Unbroken Bonds Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless,Colorless

Set: Commander's Arsenal Oversized Type: Legendary Creature — Sliver Rarity: Rare Cost: {W}{U}{B}{R}{G} {2}: Create a 1/1 colorless Sliver creature token

ten catapults

Set: Alpha Edition Type: Enchantment Rarity: Common Cost: {2}{B}{B} At the beginning of the end step

−7: Draw three cards

Set: Commander Anthology Volume II Type: Enchantment Rarity: Rare Cost: {1}{B}{B}{B} Whenever a creature you control dies

Held in the lion's eye —Zhalfirin saying meaning "caught in the moment of crisis"

"It is not a goal

Each day at dusk the birds above the canopy grow silent

Set: Antiquities Type: Artifact Creature — Construct Rarity: Rare Cost: {6} Flying

"The academy educates

Set: Planechase 2012 Type: Legendary Creature — Rat Ninja Rarity: Rare Cost: {4}{B}{B} Ninjutsu {3}{B}{B} ({3}{B}{B}

If each of those creatures could block all creatures that the other is blocking