Counter target noncreature spell. Untap up to three lands.

Untap all artifacts you control during each other player's untap step.

Flying
Sacrifice Unyaro Griffin: Counter target red instant or sorcery spell.

Target creature gains flying until end of turn.
Draw a card at the beginning of the next turn's upkeep.

Flying

Return all permanents to their owners' hands.

: Add .

When Urbis Protector enters the battlefield, create a 4/4 white Angel creature token with flying.

Each land is a Swamp in addition to its other land types.

Destroy target Spirit or enchantment.

Ursine Fylgja enters the battlefield with four healing counters on it.
Remove a healing counter from Ursine Fylgja: Prevent the next 1 damage that would be dealt to Ursine Fylgja this turn.
: Put a healing counter on Ursine Fylgja.

If a source would deal damage to you, prevent 1 of that damage.

: Urza's Avenger gets -1/-1 and gains your choice of banding, flying, first strike, or trample until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

, Sacrifice Urza's Bauble: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
: Draw a card.

Whenever a player casts an artifact spell, you may pay . If you do, you gain 1 life.

Urza's Contact Lenses enters the battlefield tapped.
Urza's Contact Lenses doesn't untap during your untap step.
As long as Urza's Contact Lenses is untapped, all players play with their hands revealed.
Clap your hands twice: You may tap or untap Urza's Contact Lenses.

Trample
: Urza's Engine gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
: Attacking creatures banded with Urza's Engine gain trample until end of turn.

: Add .
, : Create a 2/2 colorless Assembly-Worker artifact creature token.

Multicolored spells cost up to less to cast.