Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell.
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Oliphaunt - Borderless - Inverted
The Lord of the Rings: Tales of Middle-earth
Trample Whenever Oliphaunt attacks, another target creature you control gets +2/+0 and gains trample until end of turn. Mountaincycling {1} ({1}, D...
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$2.00
Spelunking
The Lost Caverns of Ixalan
When Spelunking enters the battlefield, draw a card, then you may put a land card from your hand onto the battlefield. If you put a Cave onto the b...
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Stockpiling Celebrant
Wilds of Eldraine
When Stockpiling Celebrant enters the battlefield, you may return another target nonland permanent you control to its owner's hand. If you do, scry 2.
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Soul Partition
The Brothers' War
Exile target nonland permanent. For as long as that card remains exiled, its owner may play it. A spell cast by an opponent this way costs {2} more...
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