When this artifact enters, draw a card. {2}: Add one mana of any color.

{2}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

When this land enters, scry 1. {T}: Add {C}. {1}, {T}: Add one mana of any color.

({T}: Add {U}.)

This land enters tapped. {T}: Add {U}. Cycling {2} ({2}, Discard this card: Draw a card.)

This land enters tapped. As this land enters, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.

This land enters tapped. As it enters, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

Defender When this creature enters, you may return target instant or sorcery card from your graveyard to your hand.

Breath Weapon deals 2 damage to each non-Dragon creature.

As an additional cost to cast this spell, sacrifice a land. Search your library for a land card, put that card onto the battlefield, then shuffle.

Choose one — • Destroy target creature with toughness 4 or greater. • Destroy target enchantment.

Exile target creature you control, then return it to the battlefield under its owner's control. 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.)

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Prevent all combat damage that would be dealt this turn. Flashback {2}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Search your library for an instant card or a card with flash, reveal it, put it into your hand, then shuffle. Flashback {5}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Kicker {2} (You may pay an additional {2} as you cast this spell.) Counter target spell if its mana value is 2 or less. If this spell was kicked, counter that spell if its mana value is 4 or less instead.

Return target creature or land card from a graveyard to its owner's hand. You gain 6 life.

Counter target artifact or creature spell unless its controller pays {4}.

Counter target noncreature spell. Untap up to three lands.