Boggart Mischief

When this enchantment enters, you may blight 1. If you do, create two 1/1 black and red Goblin creature tokens. (To blight 1, put a -1/-1 counter on a creature you control.)
Whenever a Goblin creature you control dies, each opponent loses 1 life and you gain 1 life.

Auntie's Sentence

Choose one —
• Target opponent reveals their hand. You choose a nonland permanent card from it. That player discards that card.
• Target creature gets -2/-2 until end of turn.

Taster of Wares

When this creature enters, target opponent reveals X cards from their hand, where X is the number of Goblins you control. You choose one of those cards. That player exiles it. If an instant or sorcery card is exiled this way, you may cast it for as long as you control this creature, and mana of any type can be spent to cast that spell.

Chaos Spewer

When this creature enters, you may pay {2}. If you don't, blight 2. (To blight 2, put two -1/-1 counters on a creature you control.)

Swamp

Sourbread Auntie

When this creature enters, you may blight 2. If you do, create two 1/1 black and red Goblin creature tokens. (To blight 2, put two -1/-1 counters on a creature you control.)