Flying, protection from creatures

Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Counter target spell.

You may spend mana as though it were mana of any color to activate abilities of creatures you control.
Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron.
: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control.

Each creature with mana value X or less loses all abilities until end of turn. Destroy those creatures.

At the beginning of your upkeep, sacrifice this creature unless you discard a card.
: This creature deals 1 damage to target creature.
: Regenerate this creature.

Add .

Indestructible
As long as your devotion to white and black is less than seven, Athreos isn't a creature.
Whenever another creature you own dies, return it to your hand unless target opponent pays 3 life.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever this creature deals combat damage to a player, you may return target creature that player controls to its owner's hand.

Choose one. If you control a commander as you cast this spell, you may choose both instead.
• Add for each card in target opponent's hand.
• Exile the top three cards of your library. You may play them this turn.

(: Add , , or .)
This land enters tapped.
Cycling (, Discard this card: Draw a card.)

You may play up to three additional lands this turn.

As long as there are four or more lore counters among Sagas you control, Tom Bombadil has hexproof and indestructible.
Whenever the final chapter ability of a Saga you control resolves, reveal cards from the top of your library until you reveal a Saga card. Put that card onto the battlefield and the rest on the bottom of your library in a random order. This ability triggers only once each turn.

Whenever you tap a nonland permanent for mana, add one mana of any type that permanent produced.
: Look at the top five cards of your library. You may put a non-Human creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Flying
When this creature enters, draw a card.
As long as you have one or fewer cards in hand, if you would draw one or more cards, you draw that many cards plus one instead.
Warp

Creatures you control that are enchanted or equipped have double strike.
At the beginning of each combat, you may attach target Aura or Equipment attached to a creature you control to target creature you control.

Flash
Lifelink
When this creature enters, exile up to one other target creature. That creature's controller gains life equal to its power.
Evoke—Exile a white card from your hand.

: Scry 1, then reveal the top card of your library. If it's a land card, put it onto the battlefield tapped. Otherwise, draw a card.
Partner (You can have two commanders if both have partner.)

Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. If X is 10 or more, creatures you control get +X/+X and gain haste until end of turn.

: Add .
Tap an untapped legendary permanent you control: Untap this artifact.

When this land enters, up to one target creature phases out.
: Add .
, : Add one mana of any color.
: Put this card from your hand onto the battlefield.