Virulent Sliver [The List]Set: The List Type: Creature Sliver Rarity: Common Cost: {G} All Sliver creatures have poisonous 1. (Whenever a Sliver deals combat damage to a player, that player gets a poison counter. A player with ten or more poison counters loses the game.)

Set: Kamigawa: Neon Dynasty Type: Legendary Creature — Human Ninja Rarity: Rare Cost: {1}{U}{B} Whenever you activate a ninjutsu ability

defending player sacrifices three permanents

{3}{R}: Destroy target artifact

Set: Commander 2014 Type: Instant Rarity: Rare Cost: {1}{U} Return target nonland permanent you don't control to its owner's hand

Set: Ice Age Type: Enchantment Rarity: Rare Cost: {B}{R} Black and/or red permanents and spells are colorless sources of damage

then put X +1/+1 counters on it

"Hold the line

VII enters the battlefield

Set: Double Masters Type: Creature — Cat Cleric Rarity: Rare Cost: {3}{W} Artifacts you control have hexproof

We didn't know whether to water them or polish them

Set: Base Set Shadowless Unlimited Type: Lightning Rarity: Rare Retreat cost: Colorless

The same is true for spells you control and nonland cards you own that aren't on the battlefield