Trample At the beginning of your end step, nonland cards in your hand perpetually gain "This spell costs {1} less to cast."

This spell can't be countered. Trample Whenever an opponent casts a noncreature spell, creature cards in your library perpetually get +1/+1.

First strike, lifelink At the beginning of your second main phase, if you gained life this turn, seek a card with the highest mana value among cards in your library with mana value less than or equal to the amount of life you gained this turn.

When Euru, Acorn Scrounger enters, you may forage. When you do, conjure a card named Chitterspitter onto the battlefield. Whenever one or more Squirrels you control deal combat damage to a player, you may sacrifice a token. If you do, put an acorn counter on each permanent you control named Chitterspitter.

Flying, lifelink Whenever you gain life, a random creature card in your hand perpetually gets +X/+X, where X is the amount of life you gained.

Fathomless descent — Each creature card in your graveyard perpetually gets +X/+X, where X is the number of permanent cards in your graveyard. Then return a creature card from your graveyard to the battlefield.

Mythweaver Poq's power and toughness are each equal to the number of lands you control. Whenever one or more nontoken lands enter under your control, for each of them, conjure a duplicate of it onto the battlefield. This ability triggers only once each turn.