Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
ChangelingWhenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents.When a spell or ability an opponent controls causes you to discard this card, create a token that's a copy of target permanent.
Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.
HasteWhenever Captain Lannery Storm attacks, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")Whenever you sacrifice a Treasure, Captain Lannery Storm gets +1/+0 until end of turn.
Whenever a Saproling you control dies, Slimefoot, the Stowaway deals 1 damage to each opponent and you gain 1 life.: Create a 1/1 green Saproling creature token.
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)When Acidic Slime enters, destroy target artifact, enchantment, or land.
: Add ., Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.
Landfall — Whenever a land you control enters, choose one —• You may tap or untap target creature.• Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
+1: Create a 1/1 white Soldier creature token.+1: Target creature gets +3/+3 and gains flying until end of turn.−8: You get an emblem with "Artifacts, creatures, enchantments, and lands you control have indestructible."
VigilanceHydra spells you cast cost less to cast.Whenever a creature you control becomes the target of a spell, Gargos, Vicious Watcher fights up to one target creature you don't control.
When Mycosynth Wellspring enters or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.