mtg all frog cards Psychic #433 regular from Modern Horizons 3 (MH3) Proxy Stock image Goobob, First Frog - because

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(Draw after you scry or surveil.) Matoya, Archon Elder Rarity: Rare TYPE: Legendary Creature SUBTYPE: Human Warlock CMC: 3 Mana cost: USD: $0.57 EUR: 0.56 TIX: 0.02 EDHREC RANK: 4975 (1/4) Whenever you scry or surveil, draw a card

It does give the opponent four life, but this downside is hardly impactful, especially considering you'll likely have a field full of creatures to take it away just as quickly as they got it

This means that there are two states of Common Cause it does nothing, or it gives all (nonartifact) creatures on the battlefield +2/+2

This process can take a long time, so be ready for this