If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
Permanents entering the battlefield don't cause abilities of permanents your opponents control to trigger.
4 /
7
{2}{W}
Far Traveler
Legendary Enchantment - Background
Commander creatures you own have "At the beginning of your end step, exile up to one target tapped creature you control, then return it to the battlefield under its owner's control."
{2}{W}
Loran of the Third Path
Legendary Creature - Human Artificer
Vigilance
When Loran of the Third Path enters, destroy up to one target artifact or enchantment.
{T}: You and target opponent each draw a card.
2 /
1
{1}{W}{W}
Mangara of Corondor
Legendary Creature - Human Wizard
{T}: Exile Mangara of Corondor and target permanent.
1 /
1
{2}{W}
Mavinda, Students' Advocate
Legendary Creature - Bird Advisor
Flying
{0}: You may cast target instant or sorcery card from your graveyard this turn. If that spell doesn't target a creature you control, it costs {8} more to cast this way. If that spell would be put into your graveyard, exile it instead. Activate only once each turn. (You still pay the spell's costs. Timing rules for the spell still apply.)
2 /
3
{3}{W/P}{W/P}
Norn's Annex
Artifact
({W/P} can be paid with either {W} or 2 life.)
Creatures can't attack you or planeswalkers you control unless their controller pays {W/P} for each of those creatures.
{3}{W}
Preston, the Vanisher
Legendary Creature - Rabbit Wizard
Whenever another nontoken creature enters the battlefield under your control, if it wasn't cast, create a token that's a copy of that creature, except it's a 0/1 white Illusion.
{1}{W}, Sacrifice five Illusions: Exile target nonland permanent.
2 /
5
{5}
Wandering Archaic
Creature - Avatar
Whenever an opponent casts an instant or sorcery spell, they may pay {2}. If they don't, you may copy that spell. You may choose new targets for the copy.
4 /
4
--
Explore the Vastlands
Sorcery
Each player looks at the top five cards of their library and may reveal a land card and/or an instant or sorcery card from among them. Each player puts the cards they revealed this way into their hand and the rest on the bottom of their library in a random order. Each player gains 3 life.