This spell can't be countered.
: This creature becomes the color of your choice until end of turn.

: Add .
, , Sacrifice this land: Create X Treasure tokens.

Search your library for up to X basic land cards, where X is the number of lands you control, put them onto the battlefield tapped, then shuffle.

Whenever you scry or surveil, draw a card. (Draw after you scry or surveil.)

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Dragon spells you cast cost less to cast.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Flash
Flying, vigilance
When Archangel Avacyn enters, creatures you control gain indestructible until end of turn.
When a non-Angel creature you control dies, transform Archangel Avacyn at the beginning of the next upkeep.

Create a 4/4 white Angel Warrior creature token with flying and vigilance. If this spell was foretold, create X of those tokens instead.
Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Whenever you attack, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
Whenever you sacrifice a Clue, venture into the dungeon. (Enter the first room or advance to the next room.)

When this creature enters, if was spent to cast it, this creature deals 3 damage to any target.
When this creature enters, if was spent to cast it, search your library for a land card, reveal it, put it into your hand, then shuffle. You gain 2 life.
Evoke

This creature enters with three +1/+1 counters on it.
Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

When Horn of Gondor enters, create a 1/1 white Human Soldier creature token.
, : Create X 1/1 white Human Soldier creature tokens, where X is the number of Humans you control.

Whenever a source you control other than this artifact deals damage to an opponent, put a charge counter on this artifact.
, , Remove X charge counters from this artifact: It deals X damage to any target.

: Add X mana of any one color, where X is the number of Elves on the battlefield.

Whenever Krydle deals combat damage to a player, that player loses 1 life and mills a card, then you gain 1 life and scry 1.
Whenever you attack, you may pay . If you do, target creature can't be blocked this turn.

If a creature an opponent controls would die, exile it instead.
At the beginning of your upkeep, put all creature cards exiled with Gisa onto the battlefield under your control. They gain decayed. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Nashi deals combat damage to a player, exile the top card of each player's library. Until end of turn, you may play one of those cards. If you cast a spell this way, pay life equal to its mana value rather than paying its mana cost.

Trample
While you're searching your library, you may cast this card from your library.