Whenever you cycle another card, you gain 1 life.
Cycling (, Discard this card: Draw a card.)

Create a number of 1/1 red Goblin creature tokens equal to two plus the number of cards named Goblin Gathering in your graveyard.

At the beginning of your first main phase, add or for each Raccoon you control.
Whenever you expend 4, you gain 3 life. (You expend 4 as you spend your fourth total mana to cast spells during a turn.)
Whenever you expend 8, exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Flying
When Ezrim enters, investigate twice. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
, Sacrifice an artifact: Ezrim gains your choice of vigilance, lifelink, or hexproof until end of turn.

When this creature enters, you may return target instant card from your graveyard to your hand.

Creatures you control get +1/+2 until end of turn. Untap those creatures.
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

: Draw a card, then exile a card from your hand and put a number of time counters on it equal to its mana value. It gains "When the last time counter is removed from this card, if it's exiled, you may cast it without paying its mana cost. If you cast a creature spell this way, it gains haste until end of turn." Then remove a time counter from each other card you own in exile.

This creature enters with a +1/+1 counter on it for each color of mana spent to cast it.
, , Remove X +1/+1 counters from this creature: It deals X damage to any target.
: Return this card from your graveyard to your hand.

When this creature enters, return up to two target instant and/or sorcery cards from your graveyard to your hand.

Flying, protection from red

During your turn, Colossus has indestructible. (Damage and effects that say "destroy" don't destroy him.)
Other Mutants you control get +1/+1.

Flying
Each other Merfolk you control with a +1/+1 counter on it has flying.
At the beginning of combat on your turn, target creature you control connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)

(: Add .)

Willie Lumpkin can't be blocked.
Whenever Willie Lumpkin deals combat damage to an opponent, you draw a card and that player may draw a card. If they do, that player can't attack you or permanents you control during their next turn.

Trample
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Whenever The Seventh Doctor attacks, choose a card in your hand. Defending player guesses whether that card's mana value is greater than the number of artifacts you control. If they guessed wrong, you may cast it without paying its mana cost. If you don't cast a spell this way, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

Discard a card: This creature gets +1/+0 and gains menace until end of turn. Activate only as a sorcery. (It can't be blocked except by two or more creatures.)

Reveal the top X plus one cards of your library. Choose a creature card and/or a land card from among them. Put those cards into your hand and the rest on the bottom of your library in a random order. If X is 5 or more, instead put the chosen cards onto the battlefield or into your hand and the rest on the bottom of your library in a random order.

Whenever this creature attacks alone, it gets +2/+0 until end of turn.

First strike, haste