No decks need it, nor even auto include it, but it is pretty playable in most decks
Draw 1 every time Ursarctic gets his Special Summon, and no turn 1 limit
When used alongside a card that lets you reshuffle your graveyard back into your deck, Time Walk can still be quite the strong card, and that means its a highly sought-after one, too
They all have pros and cons over each other but they are generally about the same
DP24-JP004 Inishie no Jumon (Ancient Chant) Normal Spell Card You can only activate one card with this cards name per turn
Black Feather Whirlwind X SPELL Continuous Once per turn, if you Special Summon a DARK Synchro Monster from the Extra Deck (except during the Damage Step): You can target 1 of your "Blackwing" monsters, or "Black-Winged Dragon", that is banished or in your GY, with less ATK than that Special Summoned monster