Whenever one or more -1/-1 counters are put on a creature, put a charge counter on this artifact.
: Add one mana of any color.
, , Sacrifice this artifact: Create X tapped 2/2 colorless Scarecrow artifact creature tokens, where X is the number of charge counters on this artifact.

Defender
You may look at the top card of your library any time.
You may cast creature spells from the top of your library.
Whenever you cast a creature spell from your library, it becomes a black Bird in addition to its other colors and types, has flying, and has base power and toughness 1/1.

Whenever you crank Widget Contraption, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Play multiple lands every turn to maximize your wild allies.

First strike
Hero's Reward — When Wild Maenads leaves the battlefield, each player gains 3 life.

Names — Wild / Ogre / Bupkis
Art — Spaceship / "Oops..." / Anvil
2 — Whenever this creature attacks, put a +1/+1 counter on it.
3 — Metalcraft — This permanent has protection from noncreature permanents as long as you control three or more artifacts.
2 — 5/1
4 — 7/4

This land enters tapped unless you control a Mount or Vehicle.
: Add .
, , Sacrifice this land: Create a 1/1 colorless Pilot creature token with "This token saddles Mounts and crews Vehicles as though its power were 2 greater." Activate only as a sorcery.

Defender
, Sacrifice this creature: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

: Add one mana of any color.
Actualize — Whenever you cast a spell that isn't from your starting deck, copy that spell. You may choose new targets for the copy.

: Add .
: Add . Activate only if you control a Forest or an Island.

Hideaway 4
This land enters tapped.
: Add .
, : You may play the exiled card without paying its mana cost if you attacked with three or more creatures this turn.

: Add .
, : You may cast creature spells this turn as though they had flash.

Players play with the top card of their libraries revealed.
You may play lands and cast spells from the top of any player's library.

Whenever chaos ensues, each player mills a card.

This land enters tapped.
When this land enters, you gain 1 life.
: Add or .

, Pay 1 life, Sacrifice this land: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

This land enters tapped.
: Add or .

: Target creature gets +X/+0 until end of turn, where X is its power. Sacrifice this artifact at the beginning of the next end step.

Reach
Nightbound

(Transforms from Hadana's Climb.)
: Add one mana of any color.
, : Target creature you control gains flying and gets +X/+X until end of turn, where X is its power.

This creature has flying as long as you control a blue creature.
This creature has persist as long as you control a black creature.