Thought-Knot Seer [Oath of the Gatewatch Prerelease Promos]Set: Oath of the Gatewatch Prerelease Promos Type: Creature Eldrazi Rarity: Rare Cost: {3}{C} ({C} represents colorless mana.) When Thought Knot Seer enters the battlefield, target opponent reveals their hand. You choose a nonland card from it and exile that card. When Thought Knot Seer leaves the battlefield, target opponent draws a card.

quoting Confucius

Pharika has written her secrets on its bones so that only the worthy may discover them

or enchantments

All things will crumble

Raptors are clever enough to tear away a hard metal shell to get at the tasty morsel inside

When Implement of Malice is put into a graveyard from the battlefield

Set: Magic 2015 Type: Land Rarity: Rare {T}: Add {C}

(It deals combat damage before creatures without first strike

Set: Urza's Saga Type: Creature — Shapeshifter Rarity: Rare Cost: {3}{U}{U} {U}: Untap Morphling

create a 1/1 green Snake creature token with deathtouch

Set: Beta Edition Type: Creature — Human Druid Rarity: Uncommon Cost: {2}{G} {T}: Untap target land

Set: Alpha Edition Type: Instant Rarity: Common Cost: {1}{W} Destroy target artifact or enchantment