Wall of Omens

Destroy target nonartifact creature.

Flying When this creature enters, you may search your library for up to three cards named Squadron Hawk, reveal them, put them into your hand, then shuffle.

Lifelink

This land enters tapped. When this land enters, target creature gets +2/+0 until end of turn. T: Add R.

When you cast this spell, you may return target creature card from your graveyard to the battlefield. Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)

This land enters tapped. T: Add B, R, or G.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

When this artifact enters, put a -1/-1 counter on target creature. 4, T: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)