Flying Celebration — Tuinvale Guide gets +1/+0 and has lifelink as long as two or more nonland permanents entered the battlefield under your control this turn.
"Weary traveler, follow me. The night is a cage, and my light is the key."
Whenever Tuktuk Scrapper or another Ally you control enters, you may destroy target artifact. If that artifact is put into a graveyard this way, Tuktuk Scrapper deals damage to that artifact's controller equal to the number of Allies you control.
Tundra Fumarole deals 4 damage to target creature or planeswalker. Add {C} for each {S} spent to cast this spell. Until end of turn, you don't lose this mana as steps and phases end.
The only thing that smells worse than troll is burnt troll.
Whenever a land enters under an opponent's control, if that player had another land enter the battlefield under their control this turn, Tunnel Ignus deals 3 damage to that player.
When Tunnel Surveyor enters, create a 1/1 white Glimmer enchantment creature token.
Though he needed to know what lay beyond the intersection, Harp couldn't suppress a shiver of disquiet as his glimmer disappeared into the darkness ahead.
At the beginning of your end step, if a face-down creature entered the battlefield under your control this turn, put a +1/+1 counter on Tunnel Tipster. {T}: Add {G}.
"When your perp goes underground, I know where to find 'em."
Choose a card name. Target player reveals cards from the top of their library until a card with that name is revealed. If it is, that player puts the rest of the revealed cards into their graveyard and puts the card with the chosen name on top of their library. Otherwise, the player shuffles.
Visit — Choose an opponent. They choose a creature they control, then you choose a creature you control. You may exile the chosen creatures. If you do, return them to the battlefield under their owners' control at the beginning of the next end step. Otherwise, the chosen creatures fight each other.