Library of Leng [International Collectors' Edition]Set: International Collectors' Edition Type: Artifact Rarity: Uncommon Cost: {1} You have no maximum hand size. If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

if Hidden Herd is an enchantment

Set: Ixalan Prerelease Promos Type: Creature — Dinosaur Avatar Rarity: Rare Cost: {3}{R}{R}{R} When Burning Sun's Avatar enters the battlefield

Whenever Wingmate Roc attacks

"The elves tend the forest

Set: Unlimited Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U}{U} Enchant artifact

Set: Oath of the Gatewatch Prerelease Promos Type: Sorcery Rarity: Rare Cost: {3}{B}{B} Target opponent loses 5 life unless that player discards two cards or sacrifices a creature or planeswalker

"We have no need for military might

A hideous throng rush out forever

Set: Black & White: Dragons Exalted Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

You can't lose the game

Set: EX: Hidden Legends Type: Fire Rarity: Rare Retreat cost: Colorless

That opponent can't cast X and plays with their hand revealed