Flying When this creature enters, exile up to one other target creature or artifact you control. Return it to the battlefield under its owner's control at the beginning of the next end step.

Flash When this creature enters, choose one — • Put a +1/+1 counter on this creature for each creature that left the battlefield under your control this turn. • You gain 2 life and scry 2. • Exile target player's graveyard.

When The Mightstone and Weakstone enters, choose one — • Draw two cards. • Target creature gets -5/-5 until end of turn. {T}: Add {C}{C}. This mana can't be spent to cast nonartifact spells. (Melds with Urza, Lord Protector.)

Creatures you control get +1/+0 and have haste. At the beginning of your end step, exile any number of nontoken artifacts and/or creatures you control. Return those cards to the battlefield under their owner's control at the beginning of your next upkeep.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Torch the Tower deals 2 damage to target creature or planeswalker. If this spell was bargained, instead it deals 3 damage to that permanent and you scry 1. If a permanent dealt damage by Torch the Tower would die this turn, exile it instead.

Destroy target creature, enchantment, or planeswalker. Its controller creates two Map tokens. (They're artifacts with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

Lightning Helix deals 3 damage to any target and you gain 3 life.

Destroy all creatures.

At the beginning of combat on your turn, choose up to one target Vehicle you control. Until end of turn, it becomes an artifact creature and gains haste. +2: You may sacrifice an artifact or discard a card. If you do, draw a card. 0: Create a 3/2 colorless Vehicle artifact token with crew 1. −7: You get an emblem with "Whenever an artifact you control enters, this emblem deals 3 damage to any target."

({T}: Add {W}.)

({T}: Add {R}.)

{T}: Add {C}. {T}: Add {R} or {W}. This land deals 1 damage to you.

({T}: Add {R} or {W}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

This land enters tapped unless you control two or fewer other lands. {T}: Add {R} or {W}.

{T}: Add {W}. {T}: Add {R}. Activate only if you control a Mountain or a Plains.