Test Bear (Quarter Century Secret Rare) [SUDA-EN018] Quarter Century Secret Rare 141 Sliver spells you cast have

Sliver spells you cast have cascade

(They're from the chosen plane if it's clear beyond doubt from the name

your opponent adds 1 card from their Life area to their hand

During your opponent's Main Phase (Quick Effect): You can reveal this card in your hand

Test Bear (Quarter Century Secret Rare) [SUDA-EN018] Quarter Century Secret Rare 141 Sliver spells you cast haveSet: Supreme Darkness Card type: Effect Monster Rarity: Quarter Century Secret Rare Attack: 900 Defense: 600 If you control a "Gladiator Beast" monster Special Summoned from the Deck Extra Deck, you can Special Summon this card (from your hand). You can only Special Summon "Test Bear" once per turn this way. You can Tribute this card, then shuffle 1 "Gladiator Beast" monster from your hand or face up field into the Deck Extra Deck; Special Summon up