Flying

Gatekeeper Gargoyle enters the battlefield with a +1/+1 counter on it for each Gate you control.

Equipped creature gets +1/+0 for each Gate you control and has vigilance and menace. (A creature with menace cant be blocked except by two or more creatures.)

Equip 3 (3: Attach to target creature you control. Equip only as a sorcery.)

Trample

Rampaging Monument enters the battlefield with three +1/+1 counters on it.

Whenever you cast a multicolored spell, put a +1/+1 counter on Rampaging Monument.

4, TAP, Sacrifice Silent Dart: It deals 3 damage to target creature.

TAP: Put the top card of your library into your graveyard.

2, TAP, Exile Wand of Vertebrae: Shuffle up to five target cards from your graveyard into your library.

Creeping Chill deals 3 damage to each opponent and you gain 3 life.

When Creeping Chill is put into your graveyard from your library, you may exile it. If you do, Creeping Chill deals 3 damage to each opponent and you gain 3 life.

Flying

2B, Discard a creature card: Return Kraul Swarm from your graveyard to your hand.

Undergrowth - When Lotleth Giant enters the battlefield, it deals 1 damage to target opponent for each creature card in your graveyard.

Undergrowth - Target creature gets -X/-X until end of turn, where X is the number of creature cards in your graveyard. If that creature would die this turn, exile it instead.

Flying

1B, TAP, Sacrifice Pilfering Imp: Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Activate this ability only any time you could cast a sorcery.