Flying, lifelink, haste

When Champion of Wits enters the battlefield, you may draw cards equal to its power. If you do, discard two cards. Eternalize {5}{U}{U} ({5}{U}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Naga Wizard with no mana cost. Eternalize only as a sorcery.)

Flying, deathtouch, lifelink Nighthawk Scavenger's power is equal to 1 plus the number of card types among cards in your opponents' graveyards.

Vigilance, deathtouch, haste Questing Beast can't be blocked by creatures with power 2 or less. Combat damage that would be dealt by creatures you control can't be prevented. Whenever Questing Beast deals combat damage to an opponent, it deals that much damage to target planeswalker that player controls.

Flash Double strike, vigilance, haste Other creatures you control have haste. {W}, {T}: Untap another target creature.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) If a creature card with flying was exiled with Soulflayer's delve ability, Soulflayer has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, reach, trample, and vigilance.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) Cycling {U} ({U}, Discard this card: Draw a card.)

Defender, hexproof {T}: Add one mana of any color.

This spell can't be countered. Destroy target nonland permanent with mana value 3 or less.

Reveal the top five cards of your library. You may put a creature or land card from among them into your hand. Put the rest into your graveyard.

Blooming Marsh enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {B} or {G}.

{T}: Add {G}. Channel — {1}{G}, Discard Boseiju, Who Endures: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

({T}: Add {G} or {U}.) As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}. {T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

({T}: Add {B} or {G}.) As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {B}. Channel — {3}{B}, Discard Takenuma, Abandoned Mire: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.

Each land is a Swamp in addition to its other land types.