Mobius the Mega Monarch [LVAL-EN040] Ghost Rare

Mobius the Mega Monarch [LVAL-EN040] Ghost RareSet: Legacy of the Valiant Card type: Effect Monster Rarity: Ghost Rare Attack: 2800 Defense: 1000 You can Tribute Summon this card by Tributing 1 Tribute Summoned monster. When this card is Tribute Summoned: You can target up to 3 Spell Trap Cards on the field; destroy those targets. If this card was Tribute Summoned by Tributing a WATER monster, add this additional effect. Your opponent cannot activate the targeted card(s) in response to this

Use this ability only at the beginning of your upkeep

Set: Dragon's Maze Type: Creature — Spirit Rarity: Uncommon Cost: {3}{U}{B} Creatures your opponents control get -1/-0

More evidence is needed to determine the reason behind them

Set: Arena League 1996 Type: Basic Land — Mountain Rarity: Rare ({T}: Add {R}

Set: Ixalan Type: Land Rarity: Rare Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island

if you control two or more Plains

Monstrous Hound can't block unless you control more lands than attacking player

You create a number of Treasure tokens equal to the result

−9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest

Set: Black & White: Emerging Powers Type: Colorless Rarity: Rare Retreat cost: 0

put X +1/+1 counters on that creature

Set: Ultimate Masters Type: Enchantment Rarity: Common Cost: {1}{W} Whenever a creature is put into your graveyard from the battlefield