+Explorer (20)
, Untap a tapped land an opponent controls: Add one mana of any type that land could produce.
When this creature enters, each player may discard a card. Each player who discarded a card this way may search their library for a basic land card, reveal it, put it into their hand, then shuffle.
When this creature enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
This artifact enters with two +1/+1 counters on it.
Whenever a creature you control with a +1/+1 counter on it dies, put a +1/+1 counter on this artifact.
: Move a +1/+1 counter from this artifact onto target creature. Activate only as a sorcery.
Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped.
Equip (: Attach to target creature you control. Equip only as a sorcery.)
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
, : Until end of turn, you may play one basic Plains card from outside the game.
When this creature enters, target player mills four cards.
Flying, vigilance
At the beginning of your end step, if you haven't cast a spell from your hand this turn, draw a card.
You may play an additional land on each of your turns.
, : Look at the top six cards of your library. You may reveal a creature card with mana value less than or equal to the number of lands you control from among them and put it onto the battlefield. Put the rest on the bottom in a random order.
When this creature enters, sacrifice it unless you discard a card at random.
When this creature enters, search your library for up to X Plains cards, where X is the number of players who control more lands than you. Reveal those cards, put them into your hand, then shuffle.
: Add one mana of any color that a land an opponent controls could produce.
Parley — : Each player reveals the top card of their library. For each nonland card revealed this way, add and you gain 1 life. Then each player draws a card.
Flying
When this creature enters, look at target opponent's hand.
: Add . Spend this mana only to cast spells with mana value 5 or greater or spells with in their mana costs.
, : Draw a card, then discard a card.
Haste
When Tuktuk the Explorer dies, create Tuktuk the Returned, a legendary 5/5 colorless Goblin Golem artifact creature token.
Menace (This creature can't be blocked except by two or more creatures.)
When this creature enters, you take the initiative.
When this creature dies, each player may search their library for up to two basic land cards, put them onto the battlefield, then shuffle.
Gatherer works better in the Companion app!
: Move a +1/+1 counter from this artifact onto target creature. Activate only as a sorcery.