This spell can't be countered.
Flying, vigilance, trample
Players can't cast spells from anywhere other than their hands.
Spells your opponents cast that cost less than five mana to cast and target you and/or spells or permanents you control cost five mana to cast.

Flying
Amity — Whenever you attack with Warden of Soul and exactly one other creature, search your library for a legendary or Dragon card, reveal it, put it into your hand, then shuffle.

Flying
When Warden of Wishes enters, put three wish counters on it, then you gain 7 life.
Whenever you lose life, you may remove a wish counter from Warden of Wishes. If you do, put a card you own from outside the game into your hand.

Landfall — Whenever a land you control enters, each opponent loses 1 life.

Flying
Whenever Weather Elemental enters or attacks, it acclimates.
If a triggered ability of a Weather you control would trigger, it triggers an additional time.

{T}: Add {C}.
{T}: Add one mana of any color. If you don't control a Weather, spend this mana only to cast a Weather spell.

Flying
{2}: Exile the top card of your library face down. You may look at it as long as it remains exiled.
During each of your opponents' turns, you may cast a card exiled with Weaver of Fates as though it had flash.

You may cast this spell as though it had flash if you activated a nonmana ability this turn.
Target artifact or creature's owner puts it on their choice of the top or bottom of their library.

{3}: Whispering Runt gets +1/+1 until end of turn. If you spent at least {U}{R}{W} to activate this ability, you may transform Whispering Runt.

This spell can't be countered.
Trample
Surface {3}{U}{U}. Wrecking Whale surfaces tapped.

Flying
Amity — Whenever you attack with Zipping Lightningbug and exactly one other creature, target creature you don't control gets -2/-0 until end of turn.

As an additional cost to cast this spell, sacrifice a creature or enchantment.
Flying
When this creature enters, each opponent sacrifices a creature of their choice, then sacrifices an enchantment of their choice.

Corrupt — Each player exiles the top X cards of their library. You may cast a spell from among them with mana value X or less without paying its mana cost. If you control a permanent with greater mana value than this spell, you may cast up to two spells with mana value X or less from among them without paying their mana costs instead.

Choose one —
• Target opponent reveals their hand. You choose a nonland card from it and exile that card.
• Target opponent exiles a creature or enchantment they control.

This spell costs {1} less to cast for each creature you control.
Trample
When this creature enters, you may discard a card. If you do, draw two cards.

Target opponent reveals their hand. You choose a nonland card with mana value 2 or less from it or a card from their graveyard. Exile that card.

Create two 1/1 blue Bird creature tokens with flying, then create a token that's a copy of a token you control.

Trample
This creature gets +1/+0 for each counter among creatures you control.
{2}{R}{G}: Put a +1/+1 counter on this creature.

Whenever you cast a noncreature spell, create a 1/1 blue Bird creature token with flying.
Flow — {10}{W}{U}: Draw cards equal to half the number of cards in your library, rounded up.

Ward {2}
If you would put one or more counters on a permanent or player, put three times as many of each of those kinds of counters on that permanent or player instead.

Trample
Whenever a creature you control attacks alone, put four +1/+1 counters on it.

Ward {2}
Whenever one or more nontoken creatures you control leave the battlefield without dying, create a 1/1 blue Ninja creature token with “This creature can't be blocked by creatures with greater power.”

Menace, lifelink
Whenever a tapped creature you control dies, draw a card.

At the beginning of combat on your turn, put a +1/+1 counter on another target creature you control.
Once during each of your turns, you may cast a creature spell from your graveyard by removing a number of counters from among creatures you control equal to that spell's mana value in addition to paying its other costs.

Flying
Level up {3}{W}{W}
[level 1-2] Flying
[level 3+] Flying