Power Sink [Beta Edition] Human Berserker Ally This is one of its

This is one of its dead ends

Set: Amonkhet Invocations Type: Enchantment Rarity: Mythic Cost: {U}{U} Whenever an opponent casts a spell

Lost to time is the artificer's art of trapping light from a distant star in a ring of purest gold

Set: Zendikar Type: Instant — Trap Rarity: Mythic Cost: {2}{U}{U} If an opponent cast three or more spells this turn

Power Sink [Beta Edition] Human Berserker Ally This is one of itsSet: Beta Edition Type: Instant Rarity: Common Cost: {X}{U} Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.