In a typical four-player game, that means you'll be safe from two other opponents, with agency over which remaining player can come your way
Like many niche cards in Magic, just put them in the right deck and youll do fine
UR Ultra Rare Iron Hans X EARTH Level 4 [ WarriorEffect ] ATK 1200 DEF 800 If this card is Summoned: You can Special Summon 1 "Iron Knight" from your Deck, also if "Golden Castle of Stromberg" is not in a Field Zone when this effect resolves, you cannot Special Summon monsters from the Extra Deck for the rest of this turn
Condition / Grading This card has been professionally graded by the PSA (Professional Sports Authenticator) and has received a perfect score of 10, indicating that it's in Gem Mint condition
It protects your enchantments from countermagic, it's an enchantment itself so it has strong synergies with the deck, and later on in the game it's a great mana sink to start pressuring opponents