Pools of Becoming (Planes) [Planechase Anthology Planes] Sphinx "why did Urza build it

"why did Urza build it to be like me

Set: Unlimited Edition Type: Artifact Rarity: Rare Cost: {3} {1}: The next time an unblocked creature of your choice would deal combat damage to you this turn

Set: Avacyn Restored Type: Creature — Angel Rarity: Rare Cost: {1}{W}{W}{W} Flying

{T}: Prevent all combat damage that would be dealt this turn

Pools of Becoming (Planes) [Planechase Anthology Planes] Sphinx "why did Urza build itSet: Planechase Anthology Planes Type: Plane Bolas's Meditation Realm Rarity: Common At the beginning of your end step, put the cards in your hand on the bottom of your library in any order, then draw that many cards. Whenever you roll {CHAOS}, reveal the top three cards of your planar deck. Each of the revealed cards' {CHAOS} abilities triggers. Then put the revealed cards on the bottom of your planar deck in any order.