Contamination [Urza's Saga]Set: Urza's Saga Type: Enchantment Rarity: Rare Cost: {2}{B} At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount.

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

Whenever a creature enters the battlefield under an opponent's control

Squirrel creatures get +1/+1

but not for a way to control it

Set: Modern Masters 2015 Type: Creature — Elemental Rarity: Rare Cost: {1}{B}{B} Wither (This deals damage to creatures in the form of -1/-1 counters

Set: Beta Edition Type: Artifact Creature — Wall Rarity: Uncommon Cost: {4} Defender (This creature can't attack

"Let go of your memories and be reborn

At the beginning of your next end step

it has hexproof

Set: Happy Holidays Type: Sorcery Rarity: Mythic Cost: {1}{R} Target creature you control climbs into Goblin Sleigh Ride

If the chosen card is cast as a spell

Set: Ravnica: City of Guilds Type: Sorcery Rarity: Rare Cost: {1}{G} Return up to three target land cards from your graveyard to your hand