M:tG card similarity search
3R · Enchantment
At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional {R}. If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana instead of any other type.
| Name | Mana | Type | Text |
|---|---|---|---|
| Regal Behemoth | 4GG | Creature — Dinosaur | Trample When Regal Behemoth enters the battlefield, you become the monarch. Whenever you tap a land for mana while you're the monarch, add an additional one mana of any color. 5/5 |
| Huntmaster Liger | 3W | Creature — Cat | Mutate {2}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, other creatures you control get +X/+X until end of turn, where X is the number of times this creature has mutated. 3/4 |
| Knowledge Is Power | 3WU | Enchantment | Creatures you control get +X/+X, where X is the number of cards you've drawn this turn. |
| Hag of Inner Weakness | 2B | Creature — Hag Warlock | At the beginning of your upkeep, target creature an opponent controls gets -2/-1 until your next turn. 2/2 |
| Patron of the Wild | G | Creature — Elf | Morph {2}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Patron of the Wild is turned face up, target creature gets +3/+3 until end of turn. 1/1 |
| Drown in Filth | BG | Sorcery | Choose target creature. Mill four cards, then that creature gets -1/-1 until end of turn for each land card in your graveyard. |
| Aliban's Tower | 1R | Instant | Target blocking creature gets +3/+1 until end of turn. |
| Elven Fortress | G | Enchantment | {1}{G}: Target blocking creature gets +0/+1 until end of turn. |
| Righteousness | W | Instant | Target blocking creature gets +7/+7 until end of turn. |
| Monsoon | 2RG | Enchantment | At the beginning of each player's end step, tap all untapped Islands that player controls and Monsoon deals X damage to the player, where X is the number of Islands tapped this way. |