World at War [Rise of the Eldrazi]Set: Rise of the Eldrazi Type: Sorcery Rarity: Rare Cost: {3}{R}{R} After the first postcombat main phase this turn, there's an additional combat phase followed by an additional main phase. At the beginning of that combat, untap all creatures that attacked this turn. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

When Emrakul

You choose a card from it

When you have 20 or more life

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

where X is that card's mana value

Set: Stronghold Type: Artifact Rarity: Rare Cost: {0} If Mox Diamond would enter the battlefield

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

Limit one per purchase

sacrifice an artifact

Set: Legends Type: World Enchantment Rarity: Rare Cost: {3}{B} At the beginning of each player's upkeep

all creatures that opponent controls attack if able

{T}: Regenerate target Elephant