When Thopter Engineer enters, create a 1/1 colorless Thopter artifact creature token with flying.Artifact creatures you control have haste. (They can attack and as soon as they come under your control.)
When Oreskos Explorer 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.
Look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.Exile target creature. That creature's controller creates a 3/3 green Frog Lizard creature token.
Counter target spell.Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
When Champion of Wits enters, you may draw cards equal to its power. If you do, discard two cards.Eternalize (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Snake Wizard with no mana cost. Eternalize only as a sorcery.)
Enchant creatureEnchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)Whenever enchanted creature attacks, its controller loses 2 life and you gain 2 life.
When Stalking Leonin enters, secretly choose an opponent.Reveal the player you chose: Exile target creature that's attacking you if it's controlled by the chosen player. Activate only once.