Onslaught

{2}{U}: Look at the top card of your library. You may put that card into your graveyard.

Tap two untapped Wizards you control: Tap target permanent.

Draw X cards. For each card drawn this way, discard a card unless you sacrifice a permanent.

{1}: The next time you would draw a card this turn, each player returns a permanent they control to its owner's hand instead.

Any number of target opponents each discard their hands, then draw seven cards. Draw a card.

You may have Clone enter the battlefield as a copy of any creature on the battlefield.

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land. If the player does, they may copy this ...

Look at target player's hand, the top card of that player's library, and any face-down creatures they control. Look at the top four cards of your l...

{T}: Draw three cards. {2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

{T}: Untap target artifact or creature. Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its mor...

Face-down creatures get +1/+1. {2}{U}: Turn target face-down creature face up.

Enchant land (Target a land as you cast this. This card enters the battlefield attached to that land.) You control enchanted land.

{1}: The next time you would draw a card this turn, each player returns a permanent they control to its owner's hand instead.

Target player shuffles their graveyard into their library.

Until end of turn, Wizards you control gain "{T}: Counter target spell."

Target opponent draws two cards, then you draw up to four cards. That opponent may repeat this process as many times as they choose.

For each opponent, gain control of target permanent that player controls.

{T}: Draw three cards. {2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

Whenever Riptide Entrancer deals combat damage to a player, you may sacrifice it. If you do, gain control of target creature that player controls. ...

Target creature gains shroud until end of turn. (It can't be the target of spells or abilities.) Cycling {U} ({U}, Discard this card: Draw a card.)

{T}: Look at the top X cards of your library, where X is the number of Wizards on the battlefield, then put them back in any order.

You may choose not to untap Callous Oppressor during your untap step. As Callous Oppressor enters the battlefield, an opponent chooses a creature ...

Draw a card for each Bird on the battlefield.

Face-down creatures get +1/+1. {2}{U}: Turn target face-down creature face up.