Contamination [Urza's Saga] Elf Scout then shuffle and put those

then shuffle and put those cards on top in any order

Five rivers encircle Theros

Set: Portal Second Age Type: Creature — Bear Rarity: Rare Cost: {2}{G}{G} Whenever Razorclaw Bear becomes blocked

Set: Time Spiral Timeshifted Type: Instant Rare Cost: {B} Prevent all combat damage that would be dealt this turn

Set: Amonkhet Prerelease Promos Type: Enchantment Rarity: Rare Cost: {6}{G}{G} Creatures with flying can't attack you or planeswalkers you control

Contamination [Urza's Saga] Elf Scout then shuffle and put thoseSet: 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.