Ancestral Knowledge [Weatherlight] Fourth Edition Ignore this effect for each

Ignore this effect for each creature the player didn't control continuously since the beginning of the turn

Set: Premium Deck Series: Slivers Type: Creature — Sliver Uncommon Cost: {W}{U} All Slivers have shroud

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

Set: Scars of Mirrodin Type: Artifact — Equipment Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from green and from blue

Ancestral Knowledge [Weatherlight] Fourth Edition Ignore this effect for eachSet: 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,