Whenever Risen Reef or another Elemental enters the battlefield under your control, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.
When Architects of Will comes into play, look at the top three cards of target player's library, then put them back in any order. Cycling (U/B) ((U/B), Discard this card: Draw a card.)
Flying, ward 2 Channel — 2G, Discard colossal Skyturtle: Return target card from your graveyard to your hand. Channel — 1U, Discard Colossal Skyturtle: Return Target Creature to its owner's hand.
When Golos, Tireless Pilgrim enters, you may search your library for a land card, put that card onto the battlefield tapped, then shuffle. {2}{W}{U}{B}{R}{G}: Exile the top three cards of your library. You may play them this turn without paying their mana costs.
Changeling (This card is every creature type.) Champion a creature (When this enters, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)
Flying Whenever you cast an instant or sorcery spell, Wee Dragonauts gets +2/+0 until end of turn.
Enchant creature, land, or planeswalker Enchanted permanent is a colorless land with “{T}: Add {C}” and loses all other card types and abilities.
At the beginning of your upkeep, if Nether Spirit is the only creature card in your graveyard, you may return Nether Spirit to the battlefield.
Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Windbrisk Heights enters tapped. {T}: Add {W}. {W}, {T}: You may play the exiled card without paying its mana cost if you attacked with three or more creatures this turn.
Whenever a Swamp you control enters, choose one — • You draw a card and you lose 1 life. • Dread Presence deals 2 damage to any target and you gain 2 life.
Mutate {1}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Flash Whenever this creature deals combat damage to a player, draw a card.
Whenever a nontoken creature you control dies, this creature deals 1 damage to you and you draw a card.
Rats you control have menace. {1}{B}, {T}: Create a 1/1 black Rat creature token. {2}{B}{B}, {T}, Sacrifice three Rats: Gain control of target creature.