Flying

If damage would be dealt to you, prevent that damage and mill twice that many cards.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Flying, vigilance, haste

Whenever you cast another spell that has convoke, scry 2, then draw a card.

When Lord Xander, the Collector enters the battlefield, target opponent discards half the cards in their hand, rounded down.

Whenever Lord Xander attacks, defending player mills half their library, rounded down.

When Lord Xander dies, target opponent sacrifices half the nonland permanents they control, rounded down.

Vigilance, ward

: Another target creature you control gains protection from the card type of your choice until end of turn. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything of that type.)

Vigilance

When Shire Shirriff enters the battlefield, you may sacrifice a token. When you do, exile target creature an opponent controls until Shire Shirriff leaves the battlefield.

When Spiteful Banditry enters the battlefield, it deals X damage to each creature.

Whenever one or more creatures your opponents control die, you create a Treasure token. This ability triggers only once each turn.

+1: Until your next turn, whenever a creature attacks you or Tasha, Unholy Archmage, put a -1/-1 counter on that creature.

−2: Target opponent puts a creature card of their choice from their graveyard onto the battlefield under your control. That creature gains ward .

−6: Target opponent reveals cards from the top of their library until they reveal three creature cards. Put those cards onto the battlefield under your control. That player puts the rest into their graveyard.