Whenever the Ring tempts you, if you chose a creature other than Aragorn as your Ring-bearer, put your choice of a counter from among first strike, vigilance, deathtouch, and lifelink on Aragorn.
Whenever you put one or more counters on Aragorn, put one of each of those kinds of counters on up to one other target creature.

: Add .
: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
, : Target attacking Assembly-Worker gets +2/+2 until end of turn.

Whenever you cast an enchantment spell, if you don't control a creature named Keimi, create Keimi, a legendary 3/3 black and green Frog creature token with "Whenever you cast an enchantment spell, each opponent loses 1 life and you gain 1 life."
: Tatsunari and target Frog you control can't be blocked this turn except by creatures with flying or reach.

Sneak (You may cast this spell for if you also return an unblocked attacker you control to hand during the declare blockers step. He enters tapped and attacking.)
Lifelink
Whenever you gain life, put a +1/+1 counter on Leonardo.

: This creature gets +2/+0 until end of turn.

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
: Add .

Defender
, : You get {TK}.
, : You may put a sticker on a nonland permanent you own. Activate only as a sorcery.

Space sculptor (Space Beleren divides the battlefield into alpha, beta, and gamma sectors. If a creature isn't assigned to a sector, its controller assigns it to one. Opponents assign first.)
+1: Creatures in each sector can be blocked this turn only by creatures in the same sector.
−1: Put a +1/+1 counter on each creature in the sector of your choice.
−5: Destroy all creatures in the sector of your choice.

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

Destroy target enchantment.

At the beginning of your end step, if this creature didn't attack this turn, it deals 2 damage to you unless it came under your control this turn.

Defender
When this creature enters, scry 2.
When you sacrifice this creature, return it to the battlefield transformed under its owner's control at the beginning of the next end step.

: Add .
, : Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

Flying
Delve (Each card you exile from your graveyard while casting this spell pays for .)

: Add .

You may pay and return a basic land you control to its owner's hand rather than pay this spell's mana cost.
This artifact enters tapped.
: Add or .

Vigilance (Attacking doesn't cause this creature to tap.)
As this creature enters, choose a color.
Whenever you cast a spell of the chosen color, put a +1/+1 counter on this creature.

Devoid (This card has no color.)
Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. Create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add ."

: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Target permanent you control gains protection from artifacts or from the color of your choice until end of turn.