Renegade Map enters the battlefield tapped. {T}, Sacrifice Renegade Map: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
"We have safe houses in every zone, but you'll never find one without this."
Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value.
When Treasure Keeper dies, reveal cards from the top of your library until you reveal a nonland card with mana value 3 or less. You may cast that card without paying its mana cost. Put all revealed cards not cast this way on the bottom of your library in a random order.
Walking Ballista enters the battlefield with X +1/+1 counters on it. {4}: Put a +1/+1 counter on Walking Ballista. Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target.
[+2]: Put two +1/+1 counters on up to one target creature. [+1]: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order. [–11]: Put X +1/+1 counters on target creature, where X is your life total. That creature gains trample until end of turn.
When Ajani's Aid enters the battlefield, you may search your library and/or graveyard for a card named Ajani, Valiant Protector, reveal it, and put it into your hand. If you search your library this way, shuffle. Sacrifice Ajani's Aid: Prevent all combat damage a creature of your choice would deal this turn.
[+1]: Reveal cards from the top of your library until you reveal an artifact card. Put that card into your hand and the rest on the bottom of your library in a random order. [–3]: Target opponent loses life equal to the number of artifacts you control. [–8]: Gain control of all artifacts and creatures target opponent controls.
Destroy target creature. You may search your library and/or graveyard for a card named Tezzeret, Master of Metal, reveal it, and put it into your hand. If you search your library this way, shuffle.
"You can't hope to comprehend the plans that are in motion." —Tezzeret