Tomb of The Spider Queen

Battleground
When you play Tomb of The Spider Queen,
search your library for a basic land card, put it
onto the battlefield, then shuffle.
At the beginning of each player's upkeep, they
may draw a card. Whenever a player draws a
card, they get two gem counters.
Sacrifice 30 gem counters: Create a 3/6 blue
Spider Queen creature token with "At the
beginning of each end step, create two 2/3 blue
Spider Spawn creature tokens."