Aven Skirmisher

Sandblast deals 5 damage to target attacking or blocking creature.

Mill four cards, then return a creature card and a land card from your graveyard to your hand.

+2: Ugin deals 3 damage to any target. −X: Exile each permanent with mana value X or less that's one or more colors. −10: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield.

Target player sacrifices an enchantment of their choice. Bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)

Enchant creature Enchanted creature gets +2/+2. Enchanted creature has vigilance as long as you control a black or green permanent.

Flying When this creature dies, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.)

When this creature enters, you gain 3 life.

Prevent all damage that would be dealt to you and permanents you control this turn by sources you don't control. If damage is prevented this way, you may have Channel Harm deal that much damage to target creature.