Choose one —
• Heist target opponent's library.
• Exile up to three target cards from your opponents' graveyards. You gain 3 life.

First strike
When Impetuous Lootmonger enters, discard a card, then heist target opponent's library.
Whenever you cast a spell you don't own, create a tapped Treasure token.

Choose target spell. Counter that spell unless its controller pays .
Threshold — If seven or more cards are in your graveyard, seek a creature card with the same mana value as the chosen spell.

Target creature you control deals damage equal to its power to target creature an opponent controls. If excess damage was dealt to a creature this way, its controller discards a card with the greatest mana value among cards in their hand.

Target tapped creature perpetually loses all abilities, then Resolute Rejection deals 4 damage to it.
Cycling

Choose one. If you control a nonland permanent you don't own as you cast this spell, you may choose two instead.
• Heist target opponent's library.
• Target creature gets -5/-5 until end of turn.
• Counter target noncreature spell.

Flying
Whenever Thieving Aven deals combat damage to a player, heist target opponent's library.
Whenever you cast a spell you don't own, put a +1/+1 counter on Thieving Aven.

Haste
Whenever Switchgrass Grazer attacks, it deals 1 damage to any target. If Switchgrass Grazer is saddled and a creature was dealt damage this way, that creature perpetually gains "This creature can't block" and "Damage isn't removed from this creature during cleanup steps."
Saddle 1

: Add . Put two charge counters on Runecarved Obelisk.
, Sacrifice Runecarved Obelisk: Seek a card with the highest mana value among cards in your library with mana value X or less, where X is the number of charge counters on Runecarved Obelisk.

Return up to two target creature cards from your graveyard to your hand, then seek two noncreature, nonland cards.