Partner Cards, selected at the beginning of each game, can get armor, gain experience points, and power up with the use of Digi-Parts as you advance through battles
Upon summon, it also searches any Doodlebook Spell and Trap card making it a must have once the theme expands
episode 107: "Mechanical Mayhem, Part 2" a b c d Yu-Gi-Oh
But Ice Barriers true strength comes from its Graveyard effect, which allows you to send one Level 5 or higher Water Monster from your deck to the Graveyard and then add any Water Monster from the Graveyard to your hand
RIRA-JP019 Shishinchou Simorgh (Simorgh, Bird of Endings) Level 3 WIND Winged Beast Effect Monster ATK 1500 DEF 200 You can only use this card names (1) and (2) effects once per turn each
Adding to this, Noivern ex has no weakness as well as a free retreat cost