Ancestral Knowledge [Weatherlight] Fourth Edition Set: Visions Type: Sorcery Rare

Set: Visions Type: Sorcery Rare Cost: {2}{G}{G} As an additional cost to cast this spell

it deals double that damage instead

denying us passage

the Dragon of Armageddon

Set: From the Vault: Legends Type: Legendary Creature — Eldrazi Mythic Cost: {11} When you cast this spell

Ancestral Knowledge [Weatherlight] Fourth Edition Set: Visions Type: Sorcery RareSet: Weatherlight Type: Enchantment Rare Cost: {1}{U} Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order. When Ancestral Knowledge leaves the battlefield,