Ulamog, the Infinite Gyre - [Borderless] Double Masters 2022 (2X2) Live Whenever River Kelpie or another

Whenever River Kelpie or another permanent enters the battlefield from a graveyard

target player may put Laurine into their hand from their library

When Ceremonial Guard attacks or blocks

Each opponent's maximum hand size is reduced by seven

Hedrons perplex minds both great and small

Ulamog, the Infinite Gyre - [Borderless] Double Masters 2022 (2X2) Live Whenever River Kelpie or anotherWhen you cast this spell, destroy target permanent. Indestructible Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.