Untaidake enters tapped.
, Pay 2 life: Add . Spend this mana only to cast legendary spells.

Trample
Whenever this Vehicle attacks, put a +1/+1 counter on it.
Crew 1

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

At the beginning of your end step, if you planeswalked to Unyaro this turn, untap all creatures. They phase out until a player planeswalks.

Whenever chaos ensues, create two 2/2 white and blue Knight creature tokens with vigilance.

This land enters tapped.
: Add , , or .
, Return a tapped creature you control to its owner's hand: Put this card from your hand onto the battlefield. Activate only as a sorcery.

: Add .
: Target creature loses first strike or swampwalk until end of turn.

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

This land enters tapped.
: Add or .

: Add .

: Add one mana of any color.
, , Sacrifice this artifact: Destroy target creature or enchantment.

Whenever you cast a Myr spell, create a 1/1 colorless Myr artifact creature token.
At the beginning of combat on your turn, untap each Myr you control.
, : Put three +1/+1 counters on each Myr you control. Activate only during your turn.

: Urza deals 1 damage to any target.

Starting & Max Hand Size: -1
Starting Life: +10

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

: This creature gets -1/-1 and gains your choice of banding, flying, first strike, or trample until end of turn.

, Sacrifice this artifact: 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
: Draw a card.

: Add .
, , Sacrifice this land: Search your library for a land card, put it onto the battlefield tapped, then shuffle.

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

When Urza's Construction Drone enters, conjure cards named Urza's Mine, Urza's Power Plant, and Urza's Tower into your library, then shuffle.
Whenever Urza's Construction Drone attacks or dies, seek an Urza's land card.