mtg when creature dies draw a card Fecundity | Battle Royale Laid to Rest · Innistrad:

Notably, if you return a Vehicle with the second mode, you won't have the opportunity to crew it before having to choose a creature for the third mode

For each creature that died this way, put a creature card from the graveyard of the player who controlled that creature the last time it became blocked by that Wall onto the battlefield under its owner's control

It has a powerful ETB effect when first played, and then if your opponent can't deal with it fast, it eventually becomes a creature and gets to reuse that effect over and over as it attacks

To solve problems in multiplayer, basically

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