All creatures get -2/-2 until end of turn.

Aftermath (Cast this spell only from your graveyard. Then exile it.)
Each opponent chooses a creature they control. You gain control of those creatures.

Vigilance, haste
As Saskia the Unyielding enters the battlefield, choose a player.
Whenever a creature you control deals combat damage to a player, it deals that much damage to the chosen player.

Delirium — This spell costs less to cast if there are four or more card types among cards in your graveyard.
Draw three cards.

Players can't get counters.
Counters can't be put on artifacts, creatures, enchantments, or lands.

Vigilance
, : Steadfast Armasaur deals damage equal to its toughness to target creature blocking or blocked by it.

Stensia Banquet deals damage to target opponent or planeswalker equal to the number of Vampires you control.
Draw a card.

Enchant creature
When Stupefying Touch enters the battlefield, draw a card.
Enchanted creature's activated abilities can't be activated.

Rally — Whenever Tajuru Beastmaster or another Ally enters the battlefield under your control, creatures you control get +1/+1 until end of turn.

Whenever a nontoken creature you control dies, investigate. (Create a colorless Clue artifact token with ", Sacrifice this artifact: Draw a card.")
Whenever you sacrifice a Clue, create a 1/1 white Human Soldier creature token.

Vigilance
Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Human Warrior with no mana cost. Embalm only as a sorcery.)

Other creatures you control get +1/+0 as long as you control an Equipment.