{T}: Add {C}. {2}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. {1}, {T}: Target attacking Assembly-Worker gets +2/+2 until end of turn.
{1}, {T}, Sacrifice this artifact: Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card. Unearth {1}{R}
{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.
Though he eventually came to despise Tocasia, Mishra listened well to her lessons on clarity of purpose. Unlike his brother, he focused his mind on a single goal.
Whenever you cast an Aura or Equipment spell, put a +1/+1 counter on this creature. When this creature dies, create X Junk tokens, where X is the number of +1/+1 counters on it.
This land enters tapped. {W}, {T}: Put target card from your graveyard on the bottom of your library. Activate only if you control two or more white permanents.
{TK}{TK} — Whenever you cast a spell, this creature gets +X/+X until end of turn, where X is the amount of generic mana in that spell's mana cost. {TK}{TK}{TK} — Hexproof {TK}{TK} — 4/2 {TK}{TK}{TK}{TK} — 6/6
{3}: This artifact becomes a copy of target artifact until end of turn. {1}{U}{R}: This artifact becomes a copy of target artifact, except it has this ability.
"What is it? Um . . . what do you want it to be?" —Juzba, Izzet tinker
When Mjölnir enters, attach it to target legendary creature you control. Whenever equipped creature attacks, tap target creature defending player controls and put a stun counter on it. Then Mjölnir deals damage to each opponent equal to the number of tapped creatures that opponent controls. Equip {4}
This Vehicle has haste as long as you control a Mount. Whenever this Vehicle attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. Crew 2
{T}: Add {C}. {4}: This land becomes a 3/3 Citizen creature with vigilance until end of turn. It's still a land. This ability costs {1} less to activate for each legendary creature and planeswalker you control.
Sometimes the strongest weapon you can hold in your hand is another hand.